diff --git a/changelogs/fragments/4385-keycloak-client-default-optional-scopes.yml b/changelogs/fragments/4385-keycloak-client-default-optional-scopes.yml
new file mode 100644
index 0000000000..7255dd6343
--- /dev/null
+++ b/changelogs/fragments/4385-keycloak-client-default-optional-scopes.yml
@@ -0,0 +1,4 @@
+---
+minor_changes:
+  - keycloak_client - add ``default_client_scopes`` and ``optional_client_scopes`` parameters.
+    (https://github.com/ansible-collections/community.general/pull/4385).
diff --git a/plugins/modules/identity/keycloak/keycloak_client.py b/plugins/modules/identity/keycloak/keycloak_client.py
index 82cdab8b6c..2069ec7061 100644
--- a/plugins/modules/identity/keycloak/keycloak_client.py
+++ b/plugins/modules/identity/keycloak/keycloak_client.py
@@ -326,6 +326,24 @@ options:
             - authenticationFlowBindingOverrides
         version_added: 3.4.0
 
+    default_client_scopes:
+        description:
+            - List of default client scopes.
+        aliases:
+            - defaultClientScopes
+        type: list
+        elements: str
+        version_added: 4.7.0
+
+    optional_client_scopes:
+        description:
+            - List of optional client scopes.
+        aliases:
+            - optionalClientScopes
+        type: list
+        elements: str
+        version_added: 4.7.0
+
     protocol_mappers:
         description:
             - a list of dicts defining protocol mappers for this client.
@@ -789,6 +807,8 @@ def main():
         authentication_flow_binding_overrides=dict(type='dict', aliases=['authenticationFlowBindingOverrides']),
         protocol_mappers=dict(type='list', elements='dict', options=protmapper_spec, aliases=['protocolMappers']),
         authorization_settings=dict(type='dict', aliases=['authorizationSettings']),
+        default_client_scopes=dict(type='list', elements='str', aliases=['defaultClientScopes']),
+        optional_client_scopes=dict(type='list', elements='str', aliases=['optionalClientScopes']),
     )
 
     argument_spec.update(meta_args)