diff --git a/core/core.services.yml b/core/core.services.yml
index e0b682334d..048c298b90 100644
--- a/core/core.services.yml
+++ b/core/core.services.yml
@@ -543,6 +543,12 @@ services:
     lazy: true
   required_module_uninstall_validator:
     class: Drupal\Core\Extension\RequiredModuleUninstallValidator
+    tags:
+      - { name: module_install.uninstall_validator }
+    arguments: ['@string_translation', '@extension.list.module']
+    lazy: true
+  module_required_by_themes_uninstall_validator:
+    class: Drupal\Core\Extension\ModuleRequiredByThemesUninstallValidator
     tags:
       - { name: module_install.uninstall_validator }
     arguments: ['@string_translation', '@extension.list.module', '@extension.list.theme', '@config.factory']
diff --git a/core/lib/Drupal/Core/Extension/ModuleRequiredByThemesUninstallValidator.php b/core/lib/Drupal/Core/Extension/ModuleRequiredByThemesUninstallValidator.php
new file mode 100644
index 0000000000..bc44b9ba14
--- /dev/null
+++ b/core/lib/Drupal/Core/Extension/ModuleRequiredByThemesUninstallValidator.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace Drupal\Core\Extension;
+
+use Drupal\Core\Config\ConfigFactory;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\Core\StringTranslation\TranslationInterface;
+
+/**
+ * Ensures modules required by themes cannot be uninstalled.
+ */
+class ModuleRequiredByThemesUninstallValidator implements ModuleUninstallValidatorInterface {
+
+  use StringTranslationTrait;
+
+  /**
+   * The module extension list.
+   *
+   * @var \Drupal\Core\Extension\ModuleExtensionList
+   */
+  protected $moduleExtensionList;
+
+  /**
+   * The theme extension list.
+   *
+   * @var \Drupal\Core\Extension\ThemeExtensionList
+   */
+  protected $themeExtensionList;
+
+  /**
+   * The config factory to get the installed themes.
+   *
+   * @var \Drupal\Core\Config\ConfigFactory
+   */
+  protected $configFactory;
+
+  /**
+   * An array of modules that themes depend on.
+   *
+   * @var array
+   */
+  protected $modulesThemesDependOn;
+
+  /**
+   * Constructs a new ModuleRequiredByThemesUninstallValidator.
+   *
+   * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
+   *   The string translation service.
+   * @param \Drupal\Core\Extension\ModuleExtensionList $extension_list_module
+   *   The module extension list.
+   * @param \Drupal\Core\Extension\ThemeExtensionList $extension_list_theme
+   *   A extension discovery instance.
+   * @param \Drupal\Core\Config\ConfigFactory $config_factory
+   *   The config factory to get the installed themes.
+   */
+  public function __construct(TranslationInterface $string_translation, ModuleExtensionList $extension_list_module, ThemeExtensionList $extension_list_theme = NULL, ConfigFactory $config_factory = NULL) {
+    $this->stringTranslation = $string_translation;
+    $this->moduleExtensionList = $extension_list_module;
+    $this->themeExtensionList = $extension_list_theme;
+    $this->configFactory = $config_factory;
+    $this->getModulesThemesDependOn();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validate($module) {
+    $reasons = [];
+
+    if (isset($this->modulesThemesDependOn[$module])) {
+      $module_name = $this->moduleExtensionList->get($module)->info['name'];
+      $theme_names = implode(", ", $this->modulesThemesDependOn[$module]);
+      $reasons[] = $this->formatPlural(count($theme_names),
+        'The @module_name module is required by the theme @theme_names',
+        'The @module_name module is required by the themes @theme_names',
+        ['@module_name' => $module_name, '@theme_names' => $theme_names]);
+    }
+
+    return $reasons;
+  }
+
+  /**
+   * Populate $this->modulesThemesDependOn with modules themes depend on.
+   */
+  protected function getModulesThemesDependOn() {
+    $installed_themes = $this->themeExtensionList->getAllInstalledInfo();
+    foreach ($this->themeExtensionList->getAllInstalledInfo() as $theme) {
+      foreach ($theme['dependencies'] as $dependency) {
+        if (!isset($installed_themes[$dependency])) {
+          $this->modulesThemesDependOn[$dependency][] = $theme['name'];
+        }
+      }
+    }
+  }
+
+}