Family name Kolok (Kolok 
) , in the world, is a rare last name. The last name Kolok is habitual in Hungary, where it is quite a rare surname, Indonesia, where it is a rare surname, and Malaysia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Indonesia, Hungary, and the United States. Very seldom, Kolok is the forename as well as the last name.