Cognomen Баняк (Baniak 
, Баняк 
) , around the world, is a rare last name. The family name Баняк is characteristic of Poland, where it is quite a rare surname, the United States, where it is a very rare surname, and Canada. Measured by absolute frequency, it is commonest in Poland, the United States, and Germany. Likewise, Баняк is the forename as well as the last name.