diff --git a/rhodecode/controllers/home.py b/rhodecode/controllers/home.py
--- a/rhodecode/controllers/home.py
+++ b/rhodecode/controllers/home.py
@@ -274,4 +274,11 @@ class HomeController(BaseController):
     @XHRRequired()
     @jsonify
     def user_group_autocomplete_data(self):
-        return {'suggestions': []}
+        query = request.GET.get('query')
+
+        repo_model = RepoModel()
+        _user_groups = repo_model.get_user_groups(name_contains=query)
+        _user_groups = _user_groups
+
+        return {'suggestions': _user_groups}
+
diff --git a/rhodecode/model/repo.py b/rhodecode/model/repo.py
--- a/rhodecode/model/repo.py
+++ b/rhodecode/model/repo.py
@@ -140,10 +140,12 @@ class RepoModel(BaseModel):
 
         return None
 
-    def get_users(self, name_contains=None, limit=20):
+    def get_users(self, name_contains=None, limit=20, only_active=True):
         # TODO: mikhail: move this method to the UserModel.
         query = self.sa.query(User)
-        query = query.filter(User.active == true())
+        if only_active:
+            query = query.filter(User.active == true())
+
         if name_contains:
             ilike_expression = u'%{}%'.format(safe_unicode(name_contains))
             query = query.filter(
@@ -165,16 +167,19 @@ class RepoModel(BaseModel):
                 'icon_link': h.gravatar_url(user.email, 14),
                 'value_display': h.person(user.email),
                 'value': user.username,
-                'value_type': 'user'
+                'value_type': 'user',
+                'active': user.active,
             }
             for user in users
         ]
         return _users
 
-    def get_user_groups(self, name_contains=None, limit=20):
+    def get_user_groups(self, name_contains=None, limit=20, only_active=True):
         # TODO: mikhail: move this method to the UserGroupModel.
         query = self.sa.query(UserGroup)
-        query = query.filter(UserGroup.users_group_active == true())
+        if only_active:
+            query = query.filter(UserGroup.users_group_active == true())
+
         if name_contains:
             ilike_expression = u'%{}%'.format(safe_unicode(name_contains))
             query = query.filter(
@@ -196,7 +201,8 @@ class RepoModel(BaseModel):
                 'value_display': 'Group: %s (%d members)' % (
                     group.users_group_name, len(group.members),),
                 'value': group.users_group_name,
-                'value_type': 'user_group'
+                'value_type': 'user_group',
+                'active': group.users_group_active,
             }
             for group in user_groups
         ]
diff --git a/rhodecode/public/js/src/rhodecode/utils/autocomplete.js b/rhodecode/public/js/src/rhodecode/utils/autocomplete.js
--- a/rhodecode/public/js/src/rhodecode/utils/autocomplete.js
+++ b/rhodecode/public/js/src/rhodecode/utils/autocomplete.js
@@ -19,19 +19,25 @@
 /**
  *  autocomplete formatter that uses gravatar
  * */
-var autocompleteFormatResult = function(data, value, org_formatter) {
-  var value_display = data.value_display;
+var autocompleteFormatResult = function (data, value, org_formatter) {
+  var activeUser = data.active || true;
+  var valueDisplay = data.value_display;
+
+  if (!activeUser) {
+    valueDisplay = '<strong>(disabled)</strong> ' + valueDisplay;
+  }
+
   var escapeRegExChars = function (value) {
     return value.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
   };
   var pattern = '(' + escapeRegExChars(value) + ')';
-  value_display = value_display.replace(new RegExp(pattern, 'gi'), '<strong>$1<\/strong>');
+  valueDisplay = valueDisplay.replace(new RegExp(pattern, 'gi'), '<strong>$1<\/strong>');
   var tmpl = '<div class="ac-container-wrap"><img class="gravatar" src="{0}"/>{1}</div>';
   if (data.icon_link === "") {
     tmpl = '<div class="ac-container-wrap">{0}</div>';
-    return tmpl.format(value_display);
+    return tmpl.format(valueDisplay);
   }
-  return tmpl.format(data.icon_link, value_display);
+  return tmpl.format(data.icon_link, valueDisplay);
 };
 
 /**