Surname Mamchits (Mamchits 
, Мамчиц 
, Мамчитс ) , in the world, is quite a rare cognomen. The family name Mamchits is characteristic of Belarus, where it is quite a common surname, Kyrgyzstan, where it is a rare surname, and Estonia. Measured by absolute frequency, the name is most common in Eastern Europe, particularly Belarus, Russia, and Ukraine.