diff --git a/changelogs/fragments/11909-fix-favicon-url.yml b/changelogs/fragments/11909-fix-favicon-url.yml
new file mode 100644
index 0000000000..910135946f
--- /dev/null
+++ b/changelogs/fragments/11909-fix-favicon-url.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - "mattermost, rocketchat, slack - update default ``icon_url`` to ansible favicon (https://github.com/ansible-collections/community.general/pull/11909)."
diff --git a/plugins/modules/mattermost.py b/plugins/modules/mattermost.py
index b0295cbeb4..47abbbf272 100644
--- a/plugins/modules/mattermost.py
+++ b/plugins/modules/mattermost.py
@@ -63,7 +63,7 @@ options:
     type: str
     description:
       - URL for the message sender's icon.
-    default: https://docs.ansible.com/favicon.ico
+    default: https://docs.ansible.com/favicon/favicon.ico
   priority:
     type: str
     description:
@@ -136,7 +136,7 @@ def main():
             text=dict(type="str"),
             channel=dict(type="str"),
             username=dict(type="str", default="Ansible"),
-            icon_url=dict(type="str", default="https://docs.ansible.com/favicon.ico"),
+            icon_url=dict(type="str", default="https://docs.ansible.com/favicon/favicon.ico"),
             priority=dict(type="str", choices=["important", "urgent"]),
             validate_certs=dict(default=True, type="bool"),
             attachments=dict(type="list", elements="dict"),
diff --git a/plugins/modules/rocketchat.py b/plugins/modules/rocketchat.py
index e7fd89dc45..ad77057c16 100644
--- a/plugins/modules/rocketchat.py
+++ b/plugins/modules/rocketchat.py
@@ -60,7 +60,7 @@ options:
     type: str
     description:
       - URL for the message sender's icon.
-    default: "https://docs.ansible.com/favicon.ico"
+    default: "https://docs.ansible.com/favicon/favicon.ico"
   icon_emoji:
     type: str
     description:
@@ -222,7 +222,7 @@ def main():
             msg=dict(type="str"),
             channel=dict(type="str"),
             username=dict(type="str", default="Ansible"),
-            icon_url=dict(type="str", default="https://docs.ansible.com/favicon.ico"),
+            icon_url=dict(type="str", default="https://docs.ansible.com/favicon/favicon.ico"),
             icon_emoji=dict(type="str"),
             link_names=dict(type="int", default=1, choices=[0, 1]),
             validate_certs=dict(default=True, type="bool"),
diff --git a/plugins/modules/slack.py b/plugins/modules/slack.py
index 13ef1caa4e..5fc811e6d0 100644
--- a/plugins/modules/slack.py
+++ b/plugins/modules/slack.py
@@ -84,7 +84,7 @@ options:
     type: str
     description:
       - URL for the message sender's icon.
-    default: https://docs.ansible.com/favicon.ico
+    default: https://docs.ansible.com/favicon/favicon.ico
   icon_emoji:
     type: str
     description:
@@ -461,7 +461,7 @@ def main():
             channel=dict(type="str"),
             thread_id=dict(type="str"),
             username=dict(type="str", default="Ansible"),
-            icon_url=dict(type="str", default="https://docs.ansible.com/favicon.ico"),
+            icon_url=dict(type="str", default="https://docs.ansible.com/favicon/favicon.ico"),
             icon_emoji=dict(type="str"),
             link_names=dict(type="int", default=1, choices=[0, 1]),
             parse=dict(type="str", choices=["none", "full"]),