diff --git a/changelogs/fragments/10840-fix-keycloak-subgroup-search-realm.yml b/changelogs/fragments/10840-fix-keycloak-subgroup-search-realm.yml
new file mode 100644
index 0000000000..3b7818ee3e
--- /dev/null
+++ b/changelogs/fragments/10840-fix-keycloak-subgroup-search-realm.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - keycloak_group - fixes an issue where module ignores realm when searching subgroups by name (https://github.com/ansible-collections/community.general/pull/10840).
\ No newline at end of file
diff --git a/plugins/module_utils/identity/keycloak/keycloak.py b/plugins/module_utils/identity/keycloak/keycloak.py
index 70cf627e33..c9d092e060 100644
--- a/plugins/module_utils/identity/keycloak/keycloak.py
+++ b/plugins/module_utils/identity/keycloak/keycloak.py
@@ -1671,7 +1671,7 @@ class KeycloakAPI(object):
             return None
 
         for p in name_chain[1:]:
-            for sg in self.get_subgroups(tmp):
+            for sg in self.get_subgroups(tmp, realm):
                 pv, is_id = self._get_normed_group_parent(p)
 
                 if is_id: