diff --git a/classes/form/accessibilitysupport_form.php b/classes/form/accessibilitysupport_form.php
index 6f0c882dffc..36d46b10e07 100644
--- a/classes/form/accessibilitysupport_form.php
+++ b/classes/form/accessibilitysupport_form.php
@@ -127,10 +127,17 @@ public function definition(): void {
             $mform->hardFreeze('email');
         }
 
-        if (!empty($CFG->recaptchapublickey) && !empty($CFG->recaptchaprivatekey)) {
-            $mform->addElement('recaptcha', 'recaptcha_element', get_string('security_question', 'auth'));
-            $mform->addHelpButton('recaptcha_element', 'recaptcha', 'auth');
-            $mform->closeHeaderBefore('recaptcha_element');
+        // If the admin enabled re-captcha on this page.
+        $accessibilitysupportrecaptcha = get_config('theme_boost_union', 'accessibilitysupportrecaptcha');
+        if (isset($accessibilitysupportrecaptcha) &&
+                ($accessibilitysupportrecaptcha == THEME_BOOST_UNION_SETTING_SELECT_ALWAYS) ||
+                ($accessibilitysupportrecaptcha == THEME_BOOST_UNION_SETTING_SELECT_ONLYGUESTSANDNONLOGGEDIN &&
+                        (!isloggedin() || isguestuser()))) {
+            if (!empty($CFG->recaptchapublickey) && !empty($CFG->recaptchaprivatekey)) {
+                $mform->addElement('recaptcha', 'recaptcha_element', get_string('security_question', 'auth'));
+                $mform->addHelpButton('recaptcha_element', 'recaptcha', 'auth');
+                $mform->closeHeaderBefore('recaptcha_element');
+            }
         }
 
         $this->add_action_buttons(true, get_string('submit'));
diff --git a/lang/en/theme_boost_union.php b/lang/en/theme_boost_union.php
index 0768fe42a51..590a17184ee 100644
--- a/lang/en/theme_boost_union.php
+++ b/lang/en/theme_boost_union.php
@@ -34,6 +34,11 @@
 $string['configtitle'] = 'Boost Union';
 $string['githubissueslink'] = '<a href="https://github.com/moodle-an-hochschulen/moodle-theme_boost_union/issues">Github issues</a>';
 
+// General select options.
+$string['never'] = 'Never';
+$string['always'] = 'Always';
+$string['forguestsonly'] = 'Only for guests and non-logged-in users';
+
 // Settings: General strings.
 $string['dontchange'] = 'Do not change anything';
 
@@ -1149,6 +1154,9 @@
 $string['accessibilitysupportpagesrlinktitledefault'] = 'Get accessibility support';
 $string['accessibilitysupportpagesrlinktitlesetting'] = 'Accessibility support page screenreader link title';
 $string['accessibilitysupportpagesrlinktitlesetting_desc'] = 'In this setting, you can define the screenreader link title for the accessibility support page. This text will be used as link text which is only shown to screenreaders.';
+// ... ... Setting: Add re-captcha to accessibility support page
+$string['accessibilitysupportrecaptcha'] = 'Add re-captcha to accessibility support page';
+$string['accessibilitysupportrecaptcha_desc'] = 'With this setting, you control if a re-captcha is added to the accessibility support page. This is to prevent spam and abuse of the accessibility support form, just like it is done within <a href="{$a->support}">Moodle core\'s support form</a>. However, adding re-captchas add an additional accessibility barrier for users who use screenreaders or other assistive technologies which might be counter-productive in this case. Thus, please choose wisely if you want to enable this setting. Please also note that, even if enabled, the re-captcha is not shown until you set the necessary <a href="{$a->settings}">API keys in the authentication settings</a>.';
 
 // Settings: Flavours page.
 $string['configtitleflavours'] = 'Flavours';
diff --git a/lib.php b/lib.php
index 330d485a9b9..0f8712d318b 100644
--- a/lib.php
+++ b/lib.php
@@ -133,6 +133,10 @@
 define('THEME_BOOST_UNION_SETTING_EXTSCSSSOURCE_DOWNLOAD', 1);
 define('THEME_BOOST_UNION_SETTING_EXTSCSSSOURCE_GITHUB', 2);
 
+define('THEME_BOOST_UNION_SETTING_SELECT_NEVER', 'never');
+define('THEME_BOOST_UNION_SETTING_SELECT_ALWAYS', 'always');
+define('THEME_BOOST_UNION_SETTING_SELECT_ONLYGUESTSANDNONLOGGEDIN', 'guestandnonloggedin');
+
 /**
  * Returns the main SCSS content.
  *
diff --git a/settings.php b/settings.php
index ed7af3b1ac1..245f9074705 100644
--- a/settings.php
+++ b/settings.php
@@ -3013,6 +3013,27 @@
         $page->hide_if('theme_boost_union/accessibilitysupportpagesrlinktitle', 'theme_boost_union/enableaccessibilitysupport',
                 'neq', THEME_BOOST_UNION_SETTING_SELECT_YES);
 
+        // Setting: Add re-captcha to accessibility support page.
+        $name = 'theme_boost_union/accessibilitysupportrecaptcha';
+        $title = get_string('accessibilitysupportrecaptcha', 'theme_boost_union', null, true);
+        $authsettingsurl = new moodle_url('/admin/settings.php', ['section' => 'manageauths']);
+        $supportformsurl = new moodle_url('/user/contactsitesupport.php');
+        $description = get_string('accessibilitysupportrecaptcha_desc', 'theme_boost_union',
+                ['settings' => $authsettingsurl, 'support' => $supportformsurl], true);
+        $accessibilitysupportrecaptchaoptions = [
+                THEME_BOOST_UNION_SETTING_SELECT_NEVER =>
+                        get_string('never', 'theme_boost_union'),
+                THEME_BOOST_UNION_SETTING_SELECT_ALWAYS =>
+                        get_string('always', 'theme_boost_union'),
+                THEME_BOOST_UNION_SETTING_SELECT_ONLYGUESTSANDNONLOGGEDIN =>
+                        get_string('forguestsonly', 'theme_boost_union'),
+        ];
+        $setting = new admin_setting_configselect($name, $title, $description, THEME_BOOST_UNION_SETTING_SELECT_NEVER,
+                $accessibilitysupportrecaptchaoptions);
+        $tab->add($setting);
+        $page->hide_if('theme_boost_union/accessibilitysupportrecaptcha', 'theme_boost_union/enableaccessibilitysupport',
+                'neq', THEME_BOOST_UNION_SETTING_SELECT_YES);
+
         // Add tab to settings page.
         $page->add($tab);
 
diff --git a/tests/behat/theme_boost_union_accessibilitysettings_support.feature b/tests/behat/theme_boost_union_accessibilitysettings_support.feature
index d2c6f3bc79d..19af5c63827 100644
--- a/tests/behat/theme_boost_union_accessibilitysettings_support.feature
+++ b/tests/behat/theme_boost_union_accessibilitysettings_support.feature
@@ -226,3 +226,30 @@ Feature: Configuring the theme_boost_union plugin for the "Support page" tab on
 
   # Unfortunately, this can't be tested with Behat yet as we do not have a way to test sent emails yet (or rather block the sending of the email).
   # Scenario: Sending the accessibility support form fails and the fallback message is shown
+
+  @javascript
+  Scenario Outline: Setting: Add re-captcha to accessibility support page
+    Given the following config values are set as admin:
+      | config              | value |
+      | recaptchapublickey  | foo   |
+      | recaptchaprivatekey | bar   |
+    And the following config values are set as admin:
+      | config                                | value     | plugin            |
+      | enableaccessibilitysupport            | yes       | theme_boost_union |
+      | allowaccessibilitysupportwithoutlogin | yes       | theme_boost_union |
+      | accessibilitysupportrecaptcha         | <setting> | theme_boost_union |
+    When I am on accessibilitysupport page
+    Then "#fitem_id_recaptcha_element" "css_element" <nonshouldornot> exist
+    And I log in as "guest"
+    And I am on accessibilitysupport page
+    And "#fitem_id_recaptcha_element" "css_element" <guestshouldornot> exist
+    And I log out
+    And I log in as "student1"
+    And I am on accessibilitysupport page
+    And "#fitem_id_recaptcha_element" "css_element" <usershouldornot> exist
+
+    Examples:
+      | setting             | nonshouldornot | guestshouldornot | usershouldornot |
+      | never               | should not     | should not       | should not      |
+      | always              | should         | should           | should          |
+      | guestandnonloggedin | should         | should           | should not      |