diff --git a/core/composer.json b/core/composer.json
index 862b5a3..c52add0 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -105,6 +105,7 @@
         "drupal/image": "self.version",
         "drupal/inline_form_errors": "self.version",
         "drupal/language": "self.version",
+        "drupal/layout_plugin": "self.version",
         "drupal/link": "self.version",
         "drupal/locale": "self.version",
         "drupal/minimal": "self.version",
diff --git a/core/modules/field_layout/field_layout.info.yml b/core/modules/field_layout/field_layout.info.yml
index 62f225a..67f2ba0 100644
--- a/core/modules/field_layout/field_layout.info.yml
+++ b/core/modules/field_layout/field_layout.info.yml
@@ -4,3 +4,5 @@ description: 'Adds layout capabilities to the Field UI.'
 package: Core (Experimental)
 version: VERSION
 core: 8.x
+dependencies:
+  - layout_plugin
diff --git a/core/modules/field_layout/field_layout.layouts.yml b/core/modules/field_layout/field_layout.layouts.yml
new file mode 100644
index 0000000..0aaa87b
--- /dev/null
+++ b/core/modules/field_layout/field_layout.layouts.yml
@@ -0,0 +1,21 @@
+onecol:
+  label: 'One column'
+  path: layouts/onecol
+  theme: field_layout__onecol
+  category: 'Columns: 1'
+  default_region: content
+  regions:
+    content:
+      label: Content
+twocol:
+  label: 'Two column'
+  path: layouts/twocol
+  theme: field_layout__twocol
+  library: field_layout/drupal.field_layout.twocol
+  category: 'Columns: 2'
+  default_region: left
+  regions:
+    left:
+      label: Left
+    right:
+      label: Right
diff --git a/core/modules/field_layout/field_layout.module b/core/modules/field_layout/field_layout.module
index 5310188..8ce1400 100644
--- a/core/modules/field_layout/field_layout.module
+++ b/core/modules/field_layout/field_layout.module
@@ -93,10 +93,3 @@ function field_layout_form_alter(&$form, FormStateInterface $form_state, $form_i
     }
   }
 }
-
-/**
- * Implements hook_theme().
- */
-function field_layout_theme($existing, $type, $theme, $path) {
-  return \Drupal::service('field_layout.layout_plugin_manager')->getThemeImplementations();
-}
diff --git a/core/modules/field_layout/field_layout.services.yml b/core/modules/field_layout/field_layout.services.yml
deleted file mode 100644
index e491e99..0000000
--- a/core/modules/field_layout/field_layout.services.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-services:
-  field_layout.layout_plugin_manager:
-    class: Drupal\field_layout\LayoutPluginManager
-    arguments: ['@module_handler', '@theme_handler', '@string_translation']
diff --git a/core/modules/field_layout/src/Entity/FieldLayoutEntityFormDisplay.php b/core/modules/field_layout/src/Entity/FieldLayoutEntityFormDisplay.php
index 931cc1c..a14ef05 100644
--- a/core/modules/field_layout/src/Entity/FieldLayoutEntityFormDisplay.php
+++ b/core/modules/field_layout/src/Entity/FieldLayoutEntityFormDisplay.php
@@ -19,7 +19,7 @@ class FieldLayoutEntityFormDisplay extends EntityFormDisplay implements EntityDi
    * which is fixed in PHP 7.0.6.
    */
   public function getDefaultRegion() {
-    $layout_definition = \Drupal::service('field_layout.layout_plugin_manager')->getDefinition($this->getLayoutId() ?: 'onecol');
+    $layout_definition = \Drupal::service('plugin.manager.layout_plugin')->getDefinition($this->getLayoutId() ?: 'onecol');
     return isset($layout_definition['default_region']) ? $layout_definition['default_region'] : key($layout_definition['regions']);
   }
 
diff --git a/core/modules/field_layout/src/Entity/FieldLayoutEntityViewDisplay.php b/core/modules/field_layout/src/Entity/FieldLayoutEntityViewDisplay.php
index 53952e5..94d0913 100644
--- a/core/modules/field_layout/src/Entity/FieldLayoutEntityViewDisplay.php
+++ b/core/modules/field_layout/src/Entity/FieldLayoutEntityViewDisplay.php
@@ -19,7 +19,7 @@ class FieldLayoutEntityViewDisplay extends EntityViewDisplay implements EntityDi
    * which is fixed in PHP 7.0.6.
    */
   public function getDefaultRegion() {
-    $layout_definition = \Drupal::service('field_layout.layout_plugin_manager')->getDefinition($this->getLayoutId() ?: 'onecol');
+    $layout_definition = \Drupal::service('plugin.manager.layout_plugin')->getDefinition($this->getLayoutId() ?: 'onecol');
     return isset($layout_definition['default_region']) ? $layout_definition['default_region'] : key($layout_definition['regions']);
   }
 
diff --git a/core/modules/field_layout/src/FieldLayoutBuilder.php b/core/modules/field_layout/src/FieldLayoutBuilder.php
index f5a0650..d725374 100644
--- a/core/modules/field_layout/src/FieldLayoutBuilder.php
+++ b/core/modules/field_layout/src/FieldLayoutBuilder.php
@@ -6,6 +6,7 @@
 use Drupal\Core\Entity\EntityFieldManagerInterface;
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\field_layout\Display\EntityDisplayWithLayoutInterface;
+use Drupal\layout_plugin\LayoutPluginManagerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
@@ -16,7 +17,7 @@ class FieldLayoutBuilder implements ContainerInjectionInterface {
   /**
    * The layout plugin manager.
    *
-   * @var \Drupal\field_layout\LayoutPluginManagerInterface
+   * @var \Drupal\layout_plugin\LayoutPluginManagerInterface
    */
   protected $layoutPluginManager;
 
@@ -30,7 +31,7 @@ class FieldLayoutBuilder implements ContainerInjectionInterface {
   /**
    * FieldLayoutBuilder constructor.
    *
-   * @param \Drupal\field_layout\LayoutPluginManagerInterface $layout_plugin_manager
+   * @param \Drupal\layout_plugin\LayoutPluginManagerInterface $layout_plugin_manager
    * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
    */
   public function __construct(LayoutPluginManagerInterface $layout_plugin_manager, EntityFieldManagerInterface $entity_field_manager) {
@@ -43,7 +44,7 @@ public function __construct(LayoutPluginManagerInterface $layout_plugin_manager,
    */
   public static function create(ContainerInterface $container) {
     return new static(
-      $container->get('field_layout.layout_plugin_manager'),
+      $container->get('plugin.manager.layout_plugin'),
       $container->get('entity_field.manager')
     );
   }
@@ -85,12 +86,7 @@ public function build(array &$build, EntityDisplayWithLayoutInterface $display,
           unset($build[$name]);
         }
       }
-      $build['field_layout'] = $regions;
-      // Wrap the regions in a layout element.
-      $build['field_layout']['#theme'] = $layout_definition['theme'];
-      if (isset($layout_definition['library'])) {
-        $build['field_layout']['#attached']['library'][] = $layout_definition['library'];
-      }
+      $build['field_layout'] = $this->layoutPluginManager->createInstance($display->getLayoutId())->build($regions);
     }
   }
 
diff --git a/core/modules/field_layout/src/Form/FieldLayoutEntityDisplayFormTrait.php b/core/modules/field_layout/src/Form/FieldLayoutEntityDisplayFormTrait.php
index 94cae70..1fb8e3b 100644
--- a/core/modules/field_layout/src/Form/FieldLayoutEntityDisplayFormTrait.php
+++ b/core/modules/field_layout/src/Form/FieldLayoutEntityDisplayFormTrait.php
@@ -14,7 +14,7 @@
   /**
    * The field layout plugin manager.
    *
-   * @var \Drupal\field_layout\LayoutPluginManagerInterface
+   * @var \Drupal\layout_plugin\LayoutPluginManagerInterface
    */
   protected $layoutPluginManager;
 
diff --git a/core/modules/field_layout/src/Form/FieldLayoutEntityFormDisplayEditForm.php b/core/modules/field_layout/src/Form/FieldLayoutEntityFormDisplayEditForm.php
index 712171b..05c85b5 100644
--- a/core/modules/field_layout/src/Form/FieldLayoutEntityFormDisplayEditForm.php
+++ b/core/modules/field_layout/src/Form/FieldLayoutEntityFormDisplayEditForm.php
@@ -6,7 +6,7 @@
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldTypePluginManagerInterface;
 use Drupal\Core\Form\FormStateInterface;
-use Drupal\field_layout\LayoutPluginManagerInterface;
+use Drupal\layout_plugin\LayoutPluginManagerInterface;
 use Drupal\field_ui\Form\EntityFormDisplayEditForm;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -24,7 +24,7 @@ class FieldLayoutEntityFormDisplayEditForm extends EntityFormDisplayEditForm {
    *   The field type manager.
    * @param \Drupal\Component\Plugin\PluginManagerBase $plugin_manager
    *   The widget plugin manager.
-   * @param \Drupal\field_layout\LayoutPluginManagerInterface $field_layout_plugin_manager
+   * @param \Drupal\layout_plugin\LayoutPluginManagerInterface $field_layout_plugin_manager
    *   The field layout plugin manager.
    */
   public function __construct(FieldTypePluginManagerInterface $field_type_manager, PluginManagerBase $plugin_manager, LayoutPluginManagerInterface $field_layout_plugin_manager) {
@@ -39,7 +39,7 @@ public static function create(ContainerInterface $container) {
     return new static(
       $container->get('plugin.manager.field.field_type'),
       $container->get('plugin.manager.field.widget'),
-      $container->get('field_layout.layout_plugin_manager')
+      $container->get('plugin.manager.layout_plugin')
     );
   }
 
diff --git a/core/modules/field_layout/src/Form/FieldLayoutEntityViewDisplayEditForm.php b/core/modules/field_layout/src/Form/FieldLayoutEntityViewDisplayEditForm.php
index bddad57..d12da7d 100644
--- a/core/modules/field_layout/src/Form/FieldLayoutEntityViewDisplayEditForm.php
+++ b/core/modules/field_layout/src/Form/FieldLayoutEntityViewDisplayEditForm.php
@@ -6,7 +6,7 @@
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldTypePluginManagerInterface;
 use Drupal\Core\Form\FormStateInterface;
-use Drupal\field_layout\LayoutPluginManagerInterface;
+use Drupal\layout_plugin\LayoutPluginManagerInterface;
 use Drupal\field_ui\Form\EntityViewDisplayEditForm;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -24,7 +24,7 @@ class FieldLayoutEntityViewDisplayEditForm extends EntityViewDisplayEditForm {
    *   The field type manager.
    * @param \Drupal\Component\Plugin\PluginManagerBase $plugin_manager
    *   The formatter plugin manager.
-   * @param \Drupal\field_layout\LayoutPluginManagerInterface $field_layout_plugin_manager
+   * @param \Drupal\layout_plugin\LayoutPluginManagerInterface $field_layout_plugin_manager
    *   The field layout plugin manager.
    */
   public function __construct(FieldTypePluginManagerInterface $field_type_manager, PluginManagerBase $plugin_manager, LayoutPluginManagerInterface $field_layout_plugin_manager) {
@@ -39,7 +39,7 @@ public static function create(ContainerInterface $container) {
     return new static(
       $container->get('plugin.manager.field.field_type'),
       $container->get('plugin.manager.field.formatter'),
-      $container->get('field_layout.layout_plugin_manager')
+      $container->get('plugin.manager.layout_plugin')
     );
   }
 
diff --git a/core/modules/field_layout/src/LayoutPluginManagerInterface.php b/core/modules/field_layout/src/LayoutPluginManagerInterface.php
deleted file mode 100644
index 2c95561..0000000
--- a/core/modules/field_layout/src/LayoutPluginManagerInterface.php
+++ /dev/null
@@ -1,42 +0,0 @@
-<?php
-
-namespace Drupal\field_layout;
-
-use Drupal\Component\Plugin\Discovery\DiscoveryInterface;
-
-/**
- * Provides the interface for a plugin manager of layouts.
- *
- * @todo Replace with layout_plugin in https://www.drupal.org/node/2296423.
- */
-interface LayoutPluginManagerInterface extends DiscoveryInterface {
-
-  /**
-   * Gets sorted plugin definitions grouped by category.
-   *
-   * In addition to grouping, both categories and its entries are sorted,
-   * whereas plugin definitions are sorted by label.
-   *
-   * @see \Drupal\Component\Plugin\CategorizingPluginManagerInterface()
-   *
-   * @param array[]|null $definitions
-   *   (optional) The plugin definitions to group. If omitted, all plugin
-   *   definitions are used.
-   *
-   * @return array[]
-   *   Keys are category names, and values are arrays of which the keys are
-   *   plugin IDs and the values are plugin definitions.
-   */
-  public function getGroupedDefinitions(array $definitions = NULL);
-
-  /**
-   * Gets theme implementations for layouts.
-   *
-   * @return array
-   *   An associative array of the same format as returned by hook_theme().
-   *
-   * @see hook_theme()
-   */
-  public function getThemeImplementations();
-
-}
diff --git a/core/modules/field_layout/tests/src/Unit/FieldLayoutBuilderTest.php b/core/modules/field_layout/tests/src/Unit/FieldLayoutBuilderTest.php
index 8c1a432..c262d51 100644
--- a/core/modules/field_layout/tests/src/Unit/FieldLayoutBuilderTest.php
+++ b/core/modules/field_layout/tests/src/Unit/FieldLayoutBuilderTest.php
@@ -6,7 +6,8 @@
 use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\field_layout\Display\EntityDisplayWithLayoutInterface;
 use Drupal\field_layout\FieldLayoutBuilder;
-use Drupal\field_layout\LayoutPluginManagerInterface;
+use Drupal\layout_plugin\LayoutPluginManagerInterface;
+use Drupal\layout_plugin\Plugin\LayoutDefault;
 use Drupal\Tests\UnitTestCase;
 use Prophecy\Argument;
 
@@ -17,7 +18,7 @@
 class FieldLayoutBuilderTest extends UnitTestCase {
 
   /**
-   * @var \Drupal\field_layout\LayoutPluginManager|\Prophecy\Prophecy\ProphecyInterface
+   * @var \Drupal\layout_plugin\LayoutPluginManager|\Prophecy\Prophecy\ProphecyInterface
    */
   protected $layoutPluginManager;
 
@@ -39,7 +40,8 @@ protected function setUp() {
 
     $this->layoutPluginManager = $this->prophesize(LayoutPluginManagerInterface::class);
     $this->layoutPluginManager->getDefinition('unknown', FALSE)->willReturn([]);
-    $this->layoutPluginManager->getDefinition('twocol', FALSE)->willReturn([
+
+    $twocol_definition = [
       'library' => 'field_layout/drupal.field_layout.twocol',
       'theme' => 'field_layout__twocol',
       'regions' => [
@@ -50,8 +52,13 @@ protected function setUp() {
           'label' => 'Right',
         ],
       ],
-    ]);
+    ];
+    $layout_plugin = new LayoutDefault([], 'twocol', $twocol_definition);
+    $this->layoutPluginManager->createInstance('twocol')->willReturn($layout_plugin);
+    $this->layoutPluginManager->getDefinition('twocol', FALSE)->willReturn($twocol_definition);
+
     $this->entityFieldManager = $this->prophesize(EntityFieldManagerInterface::class);
+
     $this->fieldLayoutBuilder = new FieldLayoutBuilder($this->layoutPluginManager->reveal(), $this->entityFieldManager->reveal());
   }
 
diff --git a/core/modules/layout_plugin/layout_plugin.info.yml b/core/modules/layout_plugin/layout_plugin.info.yml
new file mode 100644
index 0000000..7058dca
--- /dev/null
+++ b/core/modules/layout_plugin/layout_plugin.info.yml
@@ -0,0 +1,6 @@
+name: 'Layout Plugin'
+type: module
+description: 'Provides a way for modules or themes to register layouts.'
+package: Core (Experimental)
+version: VERSION
+core: 8.x
diff --git a/core/modules/layout_plugin/layout_plugin.module b/core/modules/layout_plugin/layout_plugin.module
new file mode 100644
index 0000000..661b332
--- /dev/null
+++ b/core/modules/layout_plugin/layout_plugin.module
@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * @file
+ * Provides hook implementations for Layout Plugin.
+ */
+
+use Drupal\Core\Routing\RouteMatchInterface;
+
+/**
+ * Implements hook_help().
+ */
+function layout_plugin_help($route_name, RouteMatchInterface $route_match) {
+  switch ($route_name) {
+    case 'help.page.field_layout':
+      $output = '<h3>' . t('About') . '</h3>';
+      $output .= '<p>' . t('Layout Plugin allows modules or themes to register layouts, and for other modules to list the available layouts and render them.') . '</p>';
+      $output .= '<p>' . t('For more information, see the <a href=":layout-plugin-documentation">online documentation for the Layout Plugin module</a>.', [':layout-plugin-documentation' => 'https://www.drupal.org/node/2619128']) . '</p>';
+      return $output;
+  }
+}
+
+/**
+ * Implements hook_theme().
+ */
+function layout_plugin_theme($existing, $type, $theme, $path) {
+  return \Drupal::service('plugin.manager.layout_plugin')->getThemeImplementations();
+}
diff --git a/core/modules/layout_plugin/layout_plugin.services.yml b/core/modules/layout_plugin/layout_plugin.services.yml
new file mode 100644
index 0000000..30e3b96
--- /dev/null
+++ b/core/modules/layout_plugin/layout_plugin.services.yml
@@ -0,0 +1,4 @@
+services:
+  plugin.manager.layout_plugin:
+    class: Drupal\layout_plugin\LayoutPluginManager
+    arguments: ['@container.namespaces', '@cache.discovery', '@module_handler', '@theme_handler', '@string_translation']
diff --git a/core/modules/layout_plugin/src/Annotation/Layout.php b/core/modules/layout_plugin/src/Annotation/Layout.php
new file mode 100644
index 0000000..4ad0405
--- /dev/null
+++ b/core/modules/layout_plugin/src/Annotation/Layout.php
@@ -0,0 +1,90 @@
+<?php
+
+namespace Drupal\layout_plugin\Annotation;
+
+use Drupal\Component\Annotation\Plugin;
+
+/**
+ * Defines a Layout annotation object.
+ *
+ * Layouts are used to define a list of regions and then output render arrays
+ * in each of the regions, usually using a template.
+ *
+ * Plugin namespace: Plugin\Layout
+ *
+ * @see \Drupal\layout_plugin\Plugin\LayoutInterface
+ * @see \Drupal\layout_plugin\Plugin\LayoutBase
+ * @see \Drupal\layout_plugin\LayoutPluginManager
+ * @see plugin_api
+ *
+ * @Annotation
+ */
+class Layout extends Plugin {
+
+  /**
+   * The plugin ID.
+   *
+   * @var string
+   */
+  public $id;
+
+  /**
+   * The human-readable name.
+   *
+   * @var string
+   *
+   * @ingroup plugin_translatable
+   */
+  public $label;
+
+  /**
+   * The human-readable category.
+   *
+   * @var string
+   *
+   * @ingroup plugin_translatable
+   */
+  public $category;
+
+  /**
+   * The theme hook used to render this layout.
+   *
+   * If specified, it's assumed that the module or theme registering this layout
+   * will also register the theme hook with hook_theme() itself. This is
+   * mutually exclusive with 'template' - you can't specify both.
+   *
+   * @var string optional
+   *
+   * @see hook_theme()
+   */
+  public $theme;
+
+  /**
+   * Path (relative to the module or theme) to resources like icon or template.
+   *
+   * @var string optional
+   */
+  public $path;
+
+  /**
+   * The asset library.
+   *
+   * @var string optional
+   */
+  public $library;
+
+  /**
+   * An associative array of regions in this layout.
+   *
+   * The key of the array is the machine name of the region, and the value is
+   * an associative array with the following keys:
+   * - label: (string) The human-readable name of the region.
+   *
+   * Any remaining keys may have special meaning for the given layout plugin,
+   * but are undefined here.
+   *
+   * @var array
+   */
+  public $regions = [];
+
+}
diff --git a/core/modules/field_layout/src/LayoutPluginManager.php b/core/modules/layout_plugin/src/LayoutPluginManager.php
similarity index 59%
rename from core/modules/field_layout/src/LayoutPluginManager.php
rename to core/modules/layout_plugin/src/LayoutPluginManager.php
index 4f904b1..c2262e1 100644
--- a/core/modules/field_layout/src/LayoutPluginManager.php
+++ b/core/modules/layout_plugin/src/LayoutPluginManager.php
@@ -1,25 +1,25 @@
 <?php
 
-namespace Drupal\field_layout;
+namespace Drupal\layout_plugin;
 
-use Drupal\Component\Plugin\Discovery\DiscoveryTrait;
 use Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException;
+use Drupal\Core\Cache\CacheBackendInterface;
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Extension\ThemeHandlerInterface;
 use Drupal\Core\Plugin\CategorizingPluginManagerTrait;
+use Drupal\Core\Plugin\DefaultPluginManager;
+use Drupal\Core\Plugin\Discovery\YamlDiscoveryDecorator;
 use Drupal\Core\StringTranslation\TranslationInterface;
+use Drupal\layout_plugin\Annotation\Layout;
+use Drupal\layout_plugin\Plugin\LayoutDefault;
+use Drupal\layout_plugin\Plugin\LayoutInterface;
 
 /**
  * Provides a plugin manager for layouts.
  */
-class LayoutPluginManager implements LayoutPluginManagerInterface {
+class LayoutPluginManager extends DefaultPluginManager implements LayoutPluginManagerInterface {
 
-  use DiscoveryTrait;
-  use CategorizingPluginManagerTrait {
-    getModuleHandler as protected;
-    getCategories as protected;
-    getSortedDefinitions as protected;
-  }
+  use CategorizingPluginManagerTrait;
 
   /**
    * The module handler.
@@ -36,8 +36,22 @@ class LayoutPluginManager implements LayoutPluginManagerInterface {
   protected $themeHandler;
 
   /**
+   * {@inheritdoc}
+   */
+  protected $defaults = [
+    // Used for plugins defined in layouts.yml that do not specify a class
+    // themselves.
+    'class' => LayoutDefault::class,
+  ];
+
+  /**
    * LayoutPluginManager constructor.
    *
+   * @param \Traversable $namespaces
+   *   An object that implements \Traversable which contains the root paths
+   *   keyed by the corresponding namespace to look for plugin implementations.
+   * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
+   *   Cache backend instance to use.
    * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler.
    * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
@@ -45,7 +59,8 @@ class LayoutPluginManager implements LayoutPluginManagerInterface {
    * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
    *   The string translation service.
    */
-  public function __construct(ModuleHandlerInterface $module_handler, ThemeHandlerInterface $theme_handler, TranslationInterface $string_translation) {
+  public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler, ThemeHandlerInterface $theme_handler, TranslationInterface $string_translation) {
+    parent::__construct('Plugin/Layout', $namespaces, $module_handler, LayoutInterface::class, Layout::class);
     $this->moduleHandler = $module_handler;
     $this->themeHandler = $theme_handler;
     $this->stringTranslation = $string_translation;
@@ -54,50 +69,27 @@ public function __construct(ModuleHandlerInterface $module_handler, ThemeHandler
   /**
    * {@inheritdoc}
    */
-  public function getDefinitions() {
-    // @todo Replace with layout_plugin in https://www.drupal.org/node/2296423.
-    $layouts = [
-      'onecol' => [
-        'label' => $this->t('One column'),
-        'theme' => 'field_layout__onecol',
-        'path' => 'layouts/onecol',
-        'provider' => 'field_layout',
-        'category' => $this->t('Columns: 1'),
-        'default_region' => 'content',
-        'regions' => [
-          'content' => [
-            'label' => $this->t('Content'),
-          ],
-        ],
-      ],
-      'twocol' => [
-        'label' => $this->t('Two column'),
-        'library' => 'field_layout/drupal.field_layout.twocol',
-        'theme' => 'field_layout__twocol',
-        'path' => 'layouts/twocol',
-        'provider' => 'field_layout',
-        'category' => $this->t('Columns: 2'),
-        'default_region' => 'left',
-        'regions' => [
-          'left' => [
-            'label' => $this->t('Left'),
-          ],
-          'right' => [
-            'label' => $this->t('Right'),
-          ],
-        ],
-      ],
-    ];
-    foreach ($layouts as $layout_id => &$layout) {
-      $this->processDefinition($layout, $layout_id);
+  protected function providerExists($provider) {
+    return $this->moduleHandler->moduleExists($provider) || $this->themeHandler->themeExists($provider);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getDiscovery() {
+    if (!$this->discovery) {
+      $discovery = parent::getDiscovery();
+      $this->discovery = new YamlDiscoveryDecorator($discovery, 'layouts', $this->moduleHandler->getModuleDirectories() + $this->themeHandler->getThemeDirectories());
     }
-    return $layouts;
+    return $this->discovery;
   }
 
   /**
-   * Performs extra processing on layout definitions.
+   * {@inheritdoc}
    */
-  protected function processDefinition(&$definition, $plugin_id) {
+  public function processDefinition(&$definition, $plugin_id) {
+    parent::processDefinition($definition, $plugin_id);
+
     // Add the module or theme path to the 'path'.
     if ($this->moduleHandler->moduleExists($definition['provider'])) {
       $definition['provider_type'] = 'module';
@@ -123,10 +115,6 @@ protected function processDefinition(&$definition, $plugin_id) {
     elseif (empty($definition['theme'])) {
       $definition['theme'] = strtr($definition['template'], '-', '_');
     }
-
-    // @todo Remove once layout_plugin is done, this will be added by the plugin
-    //   system in https://www.drupal.org/node/2296423.
-    $definition['id'] = $plugin_id;
   }
 
   /**
diff --git a/core/modules/layout_plugin/src/LayoutPluginManagerInterface.php b/core/modules/layout_plugin/src/LayoutPluginManagerInterface.php
new file mode 100644
index 0000000..11cb9bf
--- /dev/null
+++ b/core/modules/layout_plugin/src/LayoutPluginManagerInterface.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Drupal\layout_plugin;
+
+use Drupal\Component\Plugin\CategorizingPluginManagerInterface;
+
+/**
+ * Provides the interface for a plugin manager of layouts.
+ */
+interface LayoutPluginManagerInterface extends CategorizingPluginManagerInterface {
+
+  /**
+   * Gets theme implementations for layouts.
+   *
+   * @return array
+   *   An associative array of the same format as returned by hook_theme().
+   *
+   * @see hook_theme()
+   */
+  public function getThemeImplementations();
+
+}
diff --git a/core/modules/layout_plugin/src/Plugin/LayoutBase.php b/core/modules/layout_plugin/src/Plugin/LayoutBase.php
new file mode 100644
index 0000000..199e015
--- /dev/null
+++ b/core/modules/layout_plugin/src/Plugin/LayoutBase.php
@@ -0,0 +1,87 @@
+<?php
+
+namespace Drupal\layout_plugin\Plugin;
+
+use Drupal\Component\Plugin\ConfigurablePluginInterface;
+use Drupal\Component\Utility\NestedArray;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\PluginBase;
+use Drupal\Core\Plugin\PluginFormInterface;
+
+/**
+ * Provides a base class for Layout plugins.
+ */
+abstract class LayoutBase extends PluginBase implements LayoutInterface, ConfigurablePluginInterface, PluginFormInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->setConfiguration($configuration);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function build(array $regions) {
+    $build = array_intersect_key($regions, $this->pluginDefinition['regions']);
+    $build['#theme'] = $this->pluginDefinition['theme'];
+    if (isset($this->pluginDefinition['library'])) {
+      $build['#attached']['library'][] = $this->pluginDefinition['library'];
+    }
+    return $build;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validateConfigurationForm(array &$form, FormStateInterface $form_state) {
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
+    $this->configuration = $form_state->getValues();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getConfiguration() {
+    return $this->configuration;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setConfiguration(array $configuration) {
+    $this->configuration = NestedArray::mergeDeep(
+      $this->defaultConfiguration(),
+      $configuration
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function defaultConfiguration() {
+    return [];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function calculateDependencies() {
+    return [];
+  }
+
+}
diff --git a/core/modules/layout_plugin/src/Plugin/LayoutDefault.php b/core/modules/layout_plugin/src/Plugin/LayoutDefault.php
new file mode 100644
index 0000000..ef99ef6
--- /dev/null
+++ b/core/modules/layout_plugin/src/Plugin/LayoutDefault.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Drupal\layout_plugin\Plugin;
+
+/**
+ * Provides a default class for Layout plugins.
+ */
+class LayoutDefault extends LayoutBase {
+
+}
diff --git a/core/modules/layout_plugin/src/Plugin/LayoutInterface.php b/core/modules/layout_plugin/src/Plugin/LayoutInterface.php
new file mode 100644
index 0000000..133c819
--- /dev/null
+++ b/core/modules/layout_plugin/src/Plugin/LayoutInterface.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Drupal\layout_plugin\Plugin;
+
+use Drupal\Component\Plugin\DerivativeInspectionInterface;
+use Drupal\Component\Plugin\PluginInspectionInterface;
+
+/**
+ * Provides an interface for static Layout plugins.
+ */
+interface LayoutInterface extends PluginInspectionInterface, DerivativeInspectionInterface {
+
+  /**
+   * Build a render array for layout with regions.
+   *
+   * @param array $regions
+   *   An associative array keyed by region name, containing render arrays
+   *   representing the content that should be placed in each region.
+   *
+   * @return array
+   *   Render array for the layout with regions.
+   */
+  public function build(array $regions);
+
+}
diff --git a/core/modules/field_layout/tests/src/Unit/LayoutPluginManagerTest.php b/core/modules/layout_plugin/tests/src/Unit/LayoutPluginManagerTest.php
similarity index 73%
rename from core/modules/field_layout/tests/src/Unit/LayoutPluginManagerTest.php
rename to core/modules/layout_plugin/tests/src/Unit/LayoutPluginManagerTest.php
index 10e053e..1328e10 100644
--- a/core/modules/field_layout/tests/src/Unit/LayoutPluginManagerTest.php
+++ b/core/modules/layout_plugin/tests/src/Unit/LayoutPluginManagerTest.php
@@ -1,16 +1,18 @@
 <?php
 
-namespace Drupal\Tests\field_layout\Unit;
+namespace Drupal\Tests\layout_plugin\Unit;
 
+use Drupal\Core\Cache\CacheBackendInterface;
 use Drupal\Core\Extension\Extension;
 use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Extension\ThemeHandlerInterface;
-use Drupal\field_layout\LayoutPluginManager;
+use Drupal\layout_plugin\Plugin\LayoutDefault;
+use Drupal\layout_plugin\LayoutPluginManager;
 use Drupal\Tests\UnitTestCase;
 
 /**
- * @coversDefaultClass \Drupal\field_layout\LayoutPluginManager
- * @group field_layout
+ * @coversDefaultClass \Drupal\layout_plugin\LayoutPluginManager
+ * @group layout_plugin
  */
 class LayoutPluginManagerTest extends UnitTestCase {
 
@@ -25,7 +27,14 @@ class LayoutPluginManagerTest extends UnitTestCase {
   protected $themeHandler;
 
   /**
-   * @var \Drupal\field_layout\LayoutPluginManager
+   * Cache backend instance.
+   *
+   * @var \Drupal\Core\Cache\CacheBackendInterface
+   */
+  protected $cacheBackend;
+
+  /**
+   * @var \Drupal\layout_plugin\LayoutPluginManager
    */
   protected $layoutPluginManager;
 
@@ -39,10 +48,14 @@ protected function setUp() {
     $this->moduleHandler->moduleExists('field_layout')->willReturn(TRUE);
     $extension = new Extension('/', 'module', 'core/modules/field_layout/field_layout.info.yml');
     $this->moduleHandler->getModule('field_layout')->willReturn($extension);
+    $this->moduleHandler->getModuleDirectories()->willReturn(['field_layout' => $this->root . '/core/modules/field_layout']);
 
     $this->themeHandler = $this->prophesize(ThemeHandlerInterface::class);
+    $this->themeHandler->getThemeDirectories()->willReturn([]);
+
+    $this->cacheBackend = $this->prophesize(CacheBackendInterface::class);
 
-    $this->layoutPluginManager = new LayoutPluginManager($this->moduleHandler->reveal(), $this->themeHandler->reveal(), $this->getStringTranslationStub());
+    $this->layoutPluginManager = new LayoutPluginManager(new \ArrayObject(), $this->cacheBackend->reveal(), $this->moduleHandler->reveal(), $this->themeHandler->reveal(), $this->getStringTranslationStub());
   }
 
   /**
@@ -78,6 +91,7 @@ public function testGetDefinition() {
       'library' => 'field_layout/drupal.field_layout.twocol',
       'provider_type' => 'module',
       'id' => 'twocol',
+      'class' => LayoutDefault::class,
     ];
     $layout_definition = $this->layoutPluginManager->getDefinition('twocol');
     $this->assertEquals($expected, $layout_definition);