Cognomen Ushak (Ushak 
, Ушак 
) , all around the world, is a rare family name. The last name Ushak is habitual in Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Malaysia. Measured by absolute frequency, this name is the most popular in Eastern Europe, particularly Ukraine, Russia, and Belarus. Also, Ushak is the forename as well as the last name.