Cognomen Mocyk (Mocyk 
, Моцык 
) , all around the world, is a rare last name. The last name Mocyk is characteristic of Kazakhstan, where it is a rare surname, Kyrgyzstan, and Russia, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Kazakhstan, Russia, and the United States. Also, Mocyk is the forename as well as the last name.