Cognomen Мамчитс (Мамчитс 
, Mamchyts 
) , in all the world, is a very rare surname. The last name Мамчитс is habitual in Eastern Europe, particularly Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Мамчитс | Russia |
| Mamchyts | Ukraine, United States, Belarus |