Last name Tsydzik (Tsydzik 
, Цыдзик ) , in all the world, is a very rare cognomen. The surname Tsydzik is habitual in Belarus, where it is a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Tsydzik is the forename as well as the last name.