diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index bae5acfde2..fe26d62fdf 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -444,7 +444,7 @@ function install_begin_request($class_loader, &$install_state) {
       $install_state['theme'] = $install_state['profile_info']['distribution']['install']['theme'];
     }
     // Ensure all profile directories are registered.
-    $profiles = \Drupal::service('profile_handler')->getProfiles($profile);
+    $profiles = \Drupal::service('profile_handler')->getProfileInheritance($profile);
     $profile_directories = array_map(function($extension) {
       return $extension->getPath();
     }, $profiles);
@@ -1575,7 +1575,7 @@ function install_profile_themes(&$install_state) {
  */
 function install_install_profile(&$install_state) {
   // Install all the profiles.
-  $profiles = \Drupal::service('profile_handler')->getProfiles();
+  $profiles = \Drupal::service('profile_handler')->getProfileInheritance();
   \Drupal::service('module_installer')->install(array_keys($profiles), FALSE);
 
   // Install all available optional config. During installation the module order
diff --git a/core/lib/Drupal/Core/Config/ConfigInstaller.php b/core/lib/Drupal/Core/Config/ConfigInstaller.php
index bcb2144df7..9cd33c0b0a 100644
--- a/core/lib/Drupal/Core/Config/ConfigInstaller.php
+++ b/core/lib/Drupal/Core/Config/ConfigInstaller.php
@@ -482,7 +482,7 @@ public function checkConfigurationToInstall($type, $name) {
 
     // Install profiles can not have config clashes. Configuration that
     // has the same name as a module's configuration will be used instead.
-    $profiles = $this->profileHandler->getProfiles();
+    $profiles = $this->profileHandler->getProfileInheritance();
     if (!isset($profiles[$name])) {
       // Throw an exception if the module being installed contains configuration
       // that already exists. Additionally, can not continue installing more
diff --git a/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
index 2ad1ae35a0..c3a026b5a4 100644
--- a/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
+++ b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
@@ -125,7 +125,7 @@ protected function getAllFolders() {
         // default configuration. We do this by replacing the config file path
         // from the module/theme with the install profile version if there are
         // any duplicates.
-        $this->folders += $this->getComponentNames($this->profileHandler->getProfiles($this->installProfile));
+        $this->folders += $this->getComponentNames($this->profileHandler->getProfileInheritance($this->installProfile));
       }
     }
     return $this->folders;
diff --git a/core/lib/Drupal/Core/Config/InstallStorage.php b/core/lib/Drupal/Core/Config/InstallStorage.php
index fad317a4d9..23bf7494a4 100644
--- a/core/lib/Drupal/Core/Config/InstallStorage.php
+++ b/core/lib/Drupal/Core/Config/InstallStorage.php
@@ -165,7 +165,7 @@ protected function getAllFolders() {
       $this->folders = [];
       $this->folders += $this->getCoreNames();
       // Get dependent profiles and add the extension components.
-      $this->folders += $this->getComponentNames($this->profileHandler->getProfiles());
+      $this->folders += $this->getComponentNames($this->profileHandler->getProfileInheritance());
       // Perform an ExtensionDiscovery scan as we cannot use drupal_get_path()
       // yet because the system module may not yet be enabled during install.
       // @todo Remove as part of https://www.drupal.org/node/2186491
diff --git a/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php b/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
index bb63b0770f..03d84061d3 100644
--- a/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
+++ b/core/lib/Drupal/Core/EventSubscriber/ConfigImportSubscriber.php
@@ -122,7 +122,7 @@ protected function validateModules(ConfigImporter $config_importer) {
 
     // Get a list of parent profiles and the main profile.
     /* @var $profiles \Drupal\Core\Extension\Extension[] */
-    $profiles = \Drupal::service('profile_handler')->getProfiles();
+    $profiles = \Drupal::service('profile_handler')->getProfileInheritance();
     /* @var $main_profile \Drupal\Core\Extension\Extension */
     $main_profile = end($profiles);
 
diff --git a/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php b/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php
index 1996db4de9..6774594069 100644
--- a/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php
+++ b/core/lib/Drupal/Core/Extension/ExtensionDiscovery.php
@@ -265,7 +265,7 @@ public function setProfileDirectoriesFromSettings() {
     // In case both profile directories contain the same extension, the actual
     // profile always has precedence.
     if ($profile) {
-      $profiles = $this->profileHandler->getProfiles($profile);
+      $profiles = $this->profileHandler->getProfileInheritance($profile);
       $profile_directories = array_map(function($extension) {
         return $extension->getPath();
       }, $profiles);
diff --git a/core/lib/Drupal/Core/Extension/FallbackProfileHandler.php b/core/lib/Drupal/Core/Extension/FallbackProfileHandler.php
index f858ca21ab..c8f18bec0d 100644
--- a/core/lib/Drupal/Core/Extension/FallbackProfileHandler.php
+++ b/core/lib/Drupal/Core/Extension/FallbackProfileHandler.php
@@ -38,7 +38,9 @@ public function getProfileInfo($profile) {
     if (isset($this->profileInfo[$profile])) {
       return $this->profileInfo[$profile];
     }
-    return [];
+    else {
+      throw new \InvalidArgumentException('The profile name is invalid.');
+    }
   }
 
   /**
@@ -51,14 +53,14 @@ public function setProfileInfo($profile, array $info) {
   /**
    * {@inheritdoc}
    */
-  public function clearProfileCache() {
+  public function clearCache() {
     unset($this->profileInfo);
   }
 
   /**
    * {@inheritdoc}
    */
-  public function getProfiles($profile = NULL) {
+  public function getProfileInheritance($profile = NULL) {
     $profile_path = drupal_get_path('profile', $profile);
     return [
       $profile => new Extension($this->root, 'profile', $profile_path),
diff --git a/core/lib/Drupal/Core/Extension/ModuleInstaller.php b/core/lib/Drupal/Core/Extension/ModuleInstaller.php
index 9102d7783d..64bc322dce 100644
--- a/core/lib/Drupal/Core/Extension/ModuleInstaller.php
+++ b/core/lib/Drupal/Core/Extension/ModuleInstaller.php
@@ -334,7 +334,7 @@ public function uninstall(array $module_list, $uninstall_dependents = TRUE) {
     if ($uninstall_dependents) {
       // Add dependent modules to the list. The new modules will be processed as
       // the while loop continues.
-      $profiles = \Drupal::service('profile_handler')->getProfiles();
+      $profiles = \Drupal::service('profile_handler')->getProfileInheritance();
       while (list($module) = each($module_list)) {
         foreach (array_keys($module_data[$module]->required_by) as $dependent) {
           if (!isset($module_data[$dependent])) {
diff --git a/core/lib/Drupal/Core/Extension/ProfileHandler.php b/core/lib/Drupal/Core/Extension/ProfileHandler.php
index b429972fdb..fa2cfaf110 100644
--- a/core/lib/Drupal/Core/Extension/ProfileHandler.php
+++ b/core/lib/Drupal/Core/Extension/ProfileHandler.php
@@ -151,6 +151,7 @@ public function getProfileInfo($profile) {
 
         // Ensure all dependencies are cleanly merged.
         $info['dependencies'] = array_merge($info['dependencies'], $base_info['dependencies']);
+
         if (isset($info['base profile']['excluded_dependencies'])) {
           // Apply excluded dependencies.
           $info['dependencies'] = array_diff($info['dependencies'], $info['base profile']['excluded_dependencies']);
@@ -198,7 +199,7 @@ public function setProfileInfo($profile, array $info) {
   /**
    * {@inheritdoc}
    */
-  public function clearProfileCache() {
+  public function clearCache() {
     $this->profilesWithParentsCache = [];
     $this->infoCache = [];
   }
@@ -238,8 +239,8 @@ protected function getProfileExtension($profile) {
    *
    * @return string[]
    *   An associative array of profile names, keyed by profile name
-   *   in descending order of their dependencies.
-   *   (parent profiles first, main profile last)
+   *   in descending order of their dependencies (parent profiles first, main
+   *   profile last).
    */
   protected function getProfileList($profile) {
     $profile_info = $this->getProfileInfo($profile);
@@ -249,7 +250,7 @@ protected function getProfileList($profile) {
   /**
    * {@inheritdoc}
    */
-  public function getProfiles($profile = NULL) {
+  public function getProfileInheritance($profile = NULL) {
     if (empty($profile)) {
       $profile = drupal_get_profile();
     }
@@ -280,7 +281,7 @@ public function getProfiles($profile = NULL) {
    * {@inheritdoc}
    */
   public function selectDistribution(array $profile_list) {
-    // First, find all profiles marked as distributions
+    // First, find all profiles marked as distributions.
     $distributions = [];
     foreach ($profile_list as $profile_name) {
       $profile_info = $this->getProfileInfo($profile_name);
diff --git a/core/lib/Drupal/Core/Extension/ProfileHandlerInterface.php b/core/lib/Drupal/Core/Extension/ProfileHandlerInterface.php
index 37b4bdf002..e2ce9b98fd 100644
--- a/core/lib/Drupal/Core/Extension/ProfileHandlerInterface.php
+++ b/core/lib/Drupal/Core/Extension/ProfileHandlerInterface.php
@@ -10,7 +10,7 @@
   /**
    * Retrieve the info array for a profile.
    *
-   * Parse and process the profile info.yml file.
+   * Parses and processes the profile info.yml file.
    * Processing steps:
    *   1) Ensure default keys are set.
    *   2) Recursively collect dependencies from parent profiles.
@@ -24,6 +24,9 @@
    * @return array
    *   The processed $info array.
    *
+   * @throws \InvalidArgumentException
+   *   If the profile name is invalid.
+   *
    * @see install_profile_info()
    */
   public function getProfileInfo($profile);
@@ -32,7 +35,6 @@ public function getProfileInfo($profile);
    * Stores info data for a profile.
    *
    * This can be used in situations where the info cache needs to be changed
-   * This is used for testing.
    *
    * @param string $profile
    *  The name of profile.
@@ -46,20 +48,21 @@ public function setProfileInfo($profile, array $info);
   /**
    * Clears the profile cache.
    */
-  public function clearProfileCache();
+  public function clearCache();
 
   /**
-   * Returns a list of dependent installation profiles.
+   * Gets a list comprised of the profile, it's parent profile if it has one,
+   * and any further ancestors.
    *
    * @param string $profile
    *   The name of profile. If none is specified, use the current profile.
    *
    * @return \Drupal\Core\Extension\Extension[]
    *   An associative array of Extension objects, keyed by profile name in
-   *   descending order of their dependencies.
-   *   (parent profiles first, main profile last)
+   *   descending order of their dependencies (parent profiles first, main
+   *   profile last).
    */
-  public function getProfiles($profile = NULL);
+  public function getProfileInheritance($profile = NULL);
 
   /**
    * Select the install distribution from the list of profiles.
diff --git a/core/modules/system/src/Form/ModulesUninstallForm.php b/core/modules/system/src/Form/ModulesUninstallForm.php
index bcd60652ba..2cff995d3a 100644
--- a/core/modules/system/src/Form/ModulesUninstallForm.php
+++ b/core/modules/system/src/Form/ModulesUninstallForm.php
@@ -114,7 +114,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
       return $form;
     }
 
-    $profiles = \Drupal::service('profile_handler')->getProfiles();
+    $profiles = \Drupal::service('profile_handler')->getProfileInheritance();
 
     // Sort all modules by their name.
     uasort($uninstallable, 'system_sort_modules_by_info_name');
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 3d013178a7..5aeab69aa4 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -1000,7 +1000,7 @@ function _system_rebuild_module_data() {
   // Find profiles.
   /** @var \Drupal\Core\Extension\ProfileHandlerInterface $profile_handler */
   $profile_handler = \Drupal::service('profile_handler');
-  $modules = array_merge($modules, $profile_handler->getProfiles());
+  $modules = array_merge($modules, $profile_handler->getProfileInheritance());
 
   // Set defaults for module info.
   $defaults = [
@@ -1044,7 +1044,7 @@ function _system_rebuild_module_data() {
   }
 
   // This must be done after _system_rebuild_module_data_ensure_required().
-  $profiles = \Drupal::service('profile_handler')->getProfiles();
+  $profiles = \Drupal::service('profile_handler')->getProfileInheritance();
   foreach ($profiles as $profile_name => $profile) {
     if (isset($modules[$profile_name])) {
       // Installation profiles are required, if it's a valid module.
diff --git a/core/profiles/testing_subsubprofile/testing_subsubprofile.info.yml b/core/profiles/testing_subsubprofile/testing_subsubprofile.info.yml
new file mode 100644
index 0000000000..74c0b8cf58
--- /dev/null
+++ b/core/profiles/testing_subsubprofile/testing_subsubprofile.info.yml
@@ -0,0 +1,14 @@
+name: Testing SubSubProfile
+type: profile
+description: 'Profile for testing deep profile inheritance.'
+version: VERSION
+core: 8.x
+hidden: true
+
+base profile:
+  name: testing_inherited
+  excluded_dependencies:
+    - config
+
+dependencies:
+  - page_cache
diff --git a/core/profiles/testing_subsubprofile/tests/src/Functional/DeepInheritedProfileTest.php b/core/profiles/testing_subsubprofile/tests/src/Functional/DeepInheritedProfileTest.php
new file mode 100644
index 0000000000..6933de6214
--- /dev/null
+++ b/core/profiles/testing_subsubprofile/tests/src/Functional/DeepInheritedProfileTest.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Drupal\Tests\testing_subsubprofile\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests inherited profiles.
+ *
+ * @group profiles
+ */
+class DeepInheritedProfileTest extends BrowserTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $profile = 'testing_subsubprofile';
+
+  /**
+   * Tests sub-sub-profile inherited installation.
+   */
+  public function testDeepInheritedProfile() {
+    // Check that stable is the default theme enabled in parent profile.
+    $this->assertEquals('stable', $this->config('system.theme')->get('default'));
+
+    // page_cache was enabled in main profile, disabled in parent and enabled
+    // in this profile.
+    $this->assertTrue(\Drupal::moduleHandler()->moduleExists('page_cache'));
+    // block was enabled in parent profile.
+    $this->assertTrue(\Drupal::moduleHandler()->moduleExists('block'));
+    // config was enabled in parent profile and disabled in this.
+    $this->assertFalse(\Drupal::moduleHandler()->moduleExists('config'));
+  }
+
+}
diff --git a/core/tests/Drupal/KernelTests/Core/Extension/ProfileHandlerTest.php b/core/tests/Drupal/KernelTests/Core/Extension/ProfileHandlerTest.php
index ebb20f6a00..92d553db9f 100644
--- a/core/tests/Drupal/KernelTests/Core/Extension/ProfileHandlerTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Extension/ProfileHandlerTest.php
@@ -59,18 +59,34 @@ public function testGetProfileInfo() {
     $this->assertArrayHasKey('excluded_themes', $info['base profile']);
     $this->assertInternalType('array', $info['base profile']['excluded_themes']);
     $this->assertEmpty($info['base profile']['excluded_themes']);
+
+    // Tests three levels profile inheritance.
+    $info = $profile_handler->getProfileInfo('testing_subsubprofile');
+    $this->assertEquals($info['base profile']['name'], 'testing_inherited');
+    $this->assertEquals($info['profile_list'], [
+      'testing' => 'testing',
+      'testing_inherited' => 'testing_inherited',
+      'testing_subsubprofile' => 'testing_subsubprofile',
+    ]);
   }
 
   /**
    * Tests getting profile dependency list.
    *
-   * @covers ::getProfiles
+   * @covers ::getProfileInheritance
    */
-  public function testGetProfiles() {
+  public function testGetProfileInheritance() {
     $profile_handler = $this->container->get('profile_handler');
-    $profiles = $profile_handler->getProfiles('testing_inherited');
+
+    $profiles = $profile_handler->getProfileInheritance('testing');
+    $this->assertCount(1, $profiles);
+
+    $profiles = $profile_handler->getProfileInheritance('testing_inherited');
     $this->assertCount(2, $profiles);
 
+    $profiles = $profile_handler->getProfileInheritance('testing_subsubprofile');
+    $this->assertCount(3, $profiles);
+
     $first_profile = current($profiles);
     $this->assertEquals(get_class($first_profile), 'Drupal\Core\Extension\Extension');
     $this->assertEquals($first_profile->getName(), 'testing');
@@ -82,6 +98,12 @@ public function testGetProfiles() {
     $this->assertEquals($second_profile->getName(), 'testing_inherited');
     $this->assertEquals($second_profile->weight, 1001);
     $this->assertObjectHasAttribute('origin', $second_profile);
+
+    $third_profile = next($profiles);
+    $this->assertEquals(get_class($third_profile), 'Drupal\Core\Extension\Extension');
+    $this->assertEquals($third_profile->getName(), 'testing_subsubprofile');
+    $this->assertEquals($third_profile->weight, 1002);
+    $this->assertObjectHasAttribute('origin', $third_profile);
   }
 
   /**
@@ -95,21 +117,21 @@ public function testSelectDistribution() {
     $base_info = $profile_handler->getProfileInfo('minimal');
     $profile_info = $profile_handler->getProfileInfo('testing_inherited');
 
-    // Neither profile has distribution set
+    // Neither profile has distribution set.
     $distribution = $profile_handler->selectDistribution($profiles);
     $this->assertEmpty($distribution, 'No distribution should be selected');
 
-    // Set base profile distribution
+    // Set base profile distribution.
     $base_info['distribution']['name'] = 'Minimal';
     $profile_handler->setProfileInfo('minimal', $base_info);
-    // Base profile distribution should not be selected
+    // Base profile distribution should not be selected.
     $distribution = $profile_handler->selectDistribution($profiles);
     $this->assertEmpty($distribution, 'Base profile distribution should not be selected');
 
-    // Set main profile distribution
+    // Set main profile distribution.
     $profile_info['distribution']['name'] = 'Testing Inherited';
     $profile_handler->setProfileInfo('testing_inherited', $profile_info);
-    // Main profile distribution should be selected
+    // Main profile distribution should be selected.
     $distribution = $profile_handler->selectDistribution($profiles);
     $this->assertEquals($distribution, 'testing_inherited');
   }