Cognomen זאק (Zak 
, Zach , Zac 
) , around the world, is a common family name. The family name זאק is habitual in Slovakia, where it is a common surname, Czechia, where it is quite a common surname, and Austria (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Poland, the United States, and Slovakia. Also, זאק is the forename as well as the last name.