Cognomen Лягас (Лягас 
, Liagas 
) , all over the world, is a rare surname. The last name Лягас is habitual in Lithuania, where it is a rare surname, Philippines, and Greece. In absolute terms, it is commonest in Philippines, Russia, and Lithuania.
| VARIANT | COUNTRY |
|---|---|
| Лягас | Russia |
| Liagas | Germany, Philippines, United States, Greece, Lithuania |