diff --git a/cli/src/main/java/org/onosproject/cli/net/GroupsListCommand.java b/cli/src/main/java/org/onosproject/cli/net/GroupsListCommand.java
index faa2257..58b0903 100644
--- a/cli/src/main/java/org/onosproject/cli/net/GroupsListCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/GroupsListCommand.java
@@ -84,6 +84,11 @@
     @Completion(GroupTypeCompleter.class)
     private String type = null;
 
+    @Option(name = "-u", aliases = "--unreferenced",
+            description = "Print unreferenced groups only",
+            required = false, multiValued = false)
+    private boolean unreferencedOnly = false;
+
 
     private JsonNode json(Map<Device, List<Group>> sortedGroups) {
         ArrayNode result = mapper().createArrayNode();
@@ -101,6 +106,12 @@
         GroupService groupService = get(GroupService.class);
         SortedMap<Device, List<Group>> sortedGroups =
                 getSortedGroups(deviceService, groupService);
+
+        if (referencedOnly && unreferencedOnly) {
+            print("Options -r and -u cannot be used at the same time");
+            return;
+        }
+
         if (outputJson()) {
             print("%s", json(sortedGroups));
         } else {
@@ -137,6 +148,9 @@
                 groupStream = groupStream.filter(g ->
                         g.type().equals(GroupDescription.Type.valueOf(type.toUpperCase())));
             }
+            if (unreferencedOnly) {
+                groupStream = groupStream.filter(g -> g.referenceCount() == 0);
+            }
             sortedGroups.put(d, groupStream.sorted(Comparators.GROUP_COMPARATOR).collect(Collectors.toList()));
         }
         return sortedGroups;