diff --git a/core/modules/user/config/install/system.action.user_resend_action.yml b/core/modules/user/config/install/system.action.user_resend_action.yml
new file mode 100644
index 0000000000..0549f3ce2f
--- /dev/null
+++ b/core/modules/user/config/install/system.action.user_resend_action.yml
@@ -0,0 +1,10 @@
+langcode: en
+status: true
+dependencies:
+  module:
+    - user
+id: user_resend_action
+label: 'Resend welcome message the selected user(s)'
+type: user
+plugin: user_resend_action
+configuration: {  }
diff --git a/core/modules/user/config/schema/user.schema.yml b/core/modules/user/config/schema/user.schema.yml
index 2f9bda44f2..426d3cda77 100644
--- a/core/modules/user/config/schema/user.schema.yml
+++ b/core/modules/user/config/schema/user.schema.yml
@@ -150,6 +150,10 @@ action.configuration.user_remove_role_action:
       type: string
       label: 'The ID of the role to remove'
 
+action.configuration.user_resend_action:
+  type: action_configuration_default
+  label: 'Resend welcome message to selected users configuration'
+
 action.configuration.user_unblock_user_action:
   type: action_configuration_default
   label: 'Unblock the selected users configuration'
diff --git a/core/modules/user/src/Plugin/Action/ResendWelcomeMessage.php b/core/modules/user/src/Plugin/Action/ResendWelcomeMessage.php
new file mode 100644
index 0000000000..af565b7269
--- /dev/null
+++ b/core/modules/user/src/Plugin/Action/ResendWelcomeMessage.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace Drupal\user\Plugin\Action;
+
+use Drupal\Core\Action\ActionBase;
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\user\UserInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Resends welcome message to a user.
+ *
+ * @Action(
+ *   id = "user_resend_action",
+ *   label = @Translation("Resend welcome message to selected users"),
+ *   type = "user"
+ * )
+ */
+class ResendWelcomeMessage extends ActionBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * The language manager.
+   *
+   * @var \Drupal\Core\Language\LanguageManagerInterface
+   */
+  protected $languageManager;
+
+  /**
+   * The user settings.
+   *
+   * @var \Drupal\Core\Config\ImmutableConfig
+   */
+  protected $userSettings;
+
+  /**
+   * Constructs a new ResendWelcomeMessage object.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin ID for the plugin instance.
+   * @param array $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+   *   The language manager.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The configuration factory.
+   */
+  public function __construct(array $configuration, $plugin_id, array $plugin_definition, LanguageManagerInterface $language_manager, ConfigFactoryInterface $config_factory) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+    $this->languageManager = $language_manager;
+    $this->userSettings = $config_factory->get('user.settings');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('language_manager'),
+      $container->get('config.factory')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function execute($account = NULL) {
+    if (empty($account)) {
+      return;
+    }
+
+    if (!$account->isActive()) {
+      $op = 'register_pending_approval';
+    }
+    else {
+      // Determine the user approval method.
+      $config = \Drupal::getContainer()->get('config.factory')->get('user.settings');
+      switch ($config->get('register')) {
+        case UserInterface::REGISTER_ADMINISTRATORS_ONLY:
+          $op = 'register_admin_created';
+          break;
+
+        case UserInterface::REGISTER_VISITORS:
+        default:
+          $op = 'register_no_approval_required';
+      }
+    }
+
+    _user_mail_notify($op, $account);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function access($object, AccountInterface $account = NULL, $return_as_object = FALSE) {
+    /** @var \Drupal\user\UserInterface $object */
+    $access = $object->status->access('edit', $account, TRUE)
+      ->andIf($object->access('update', $account, TRUE));
+
+    return $return_as_object ? $access : $access->isAllowed();
+  }
+
+}
diff --git a/core/modules/user/src/ProfileForm.php b/core/modules/user/src/ProfileForm.php
index c856b75da9..dadecc24f1 100644
--- a/core/modules/user/src/ProfileForm.php
+++ b/core/modules/user/src/ProfileForm.php
@@ -3,6 +3,7 @@
 namespace Drupal\user;
 
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\user\UserInterface;
 
 /**
  * Form handler for the profile forms.
@@ -27,6 +28,11 @@ protected function actions(array $form, FormStateInterface $form_state) {
     $element['delete']['#submit'] = ['::editCancelSubmit'];
     $element['delete']['#access'] = $account->id() > 1 && (($account->id() == $user->id() && $user->hasPermission('cancel account')) || $user->hasPermission('administer users'));
 
+    $element['resend']['#type'] = 'submit';
+    $element['resend']['#value'] = $account->isActive() ? $this->t('Resend welcome message') : $this->t('Resend awaiting approval message');
+    $element['resend']['#submit'] = ['::editResendSubmit'];
+    $element['resend']['#access'] = $account->getEmail() && $user->hasPermission('administer users');
+
     return $element;
   }
 
@@ -59,4 +65,42 @@ public function editCancelSubmit($form, FormStateInterface $form_state) {
     );
   }
 
+  /**
+   * Provides a submit handler for the 'Re-send welcome message' button.
+   */
+  public function editResendSubmit(array $form, FormStateInterface $form_state) {
+    $account = $this->entity;
+    $langcode = $this->languageManager->getCurrentLanguage()->getId();
+
+    if (!$account->isActive()) {
+      $op = 'register_pending_approval';
+    }
+    else {
+      // Determine the user approval method.
+      $config = \Drupal::getContainer()->get('config.factory')->get('user.settings');
+      switch ($config->get('register')) {
+        case UserInterface::REGISTER_ADMINISTRATORS_ONLY:
+          $op = 'register_admin_created';
+          break;
+
+        case UserInterface::REGISTER_VISITORS:
+        default:
+          $op = 'register_no_approval_required';
+      }
+    }
+
+    // Notify the user via email.
+    $mail = _user_mail_notify($op, $account, $langcode);
+
+    // Log the mail.
+    if (!empty($mail)) {
+      \Drupal::logger('user')->notice('Welcome message has been re-sent to %name at %email.', ['%name' => $account->getUsername(), '%email' => $account->getEmail()]);
+      drupal_set_message($this->t('Welcome message has been re-sent to %name at %email', ['%name' => $account->getUsername(), '%email' => $account->getEmail()]));
+    }
+    else {
+      \Drupal::logger('user')->notice('There was an error re-sending welcome message to %name at %email', ['%name' => $account->getUsername(), '%email' => $account->getEmail()]);
+      drupal_set_message($this->t('There was an error re-sending welcome message to %name at %email', ['%name' => $account->getUsername(), '%email' => $account->getEmail()]), 'error');
+    }
+  }
+
 }
diff --git a/core/modules/user/tests/src/Functional/UserAdminTest.php b/core/modules/user/tests/src/Functional/UserAdminTest.php
index 4e69346d2e..0355fa01fc 100644
--- a/core/modules/user/tests/src/Functional/UserAdminTest.php
+++ b/core/modules/user/tests/src/Functional/UserAdminTest.php
@@ -202,4 +202,19 @@ public function testNotificationEmailAddress() {
     $this->assertTrue(count($user_mail), 'New user mail to user is sent from configured Notification Email address');
   }
 
+  /**
+   * Tests the resending of an e-mail notification.
+   */
+  public function testResendEmailNotification() {
+    $admin_user = $this->drupalCreateUser(['administer users']);
+    $this->drupalLogin($admin_user);
+
+    $test_user = $this->drupalCreateUser();
+    $test_user = user_load($test_user->id());
+    $this->drupalPostForm('user/' . $test_user->id() . '/edit', ['status' => 0], t('Resend welcome message'));
+
+    $test_user = user_load($test_user->id());
+    $this->assertMail('to', $test_user->getEmail(), 'Activation mail resend to user');
+  }
+
 }
diff --git a/core/modules/user/user.install b/core/modules/user/user.install
index 0af797a43f..2ccb0d7ce3 100644
--- a/core/modules/user/user.install
+++ b/core/modules/user/user.install
@@ -4,6 +4,7 @@
  * @file
  * Install, update and uninstall functions for the user module.
  */
+use Drupal\system\Entity\Action;
 
 /**
  * Implements hook_schema().
@@ -98,3 +99,17 @@ function user_update_8100() {
     $config->set('status_blocked', $mail)->save(TRUE);
   }
 }
+
+/**
+ * Add an action to resend activation emails to multiple users.
+ */
+function user_update_8600() {
+  $action = Action::create([
+    'id' => 'user_resend_action',
+    'type' => 'user',
+    'label' => t('Resend welcome message the selected user(s)'),
+    'configuration' => [],
+    'plugin' => 'user_resend_action',
+  ]);
+  $action->trustData()->save();
+}