Cognomen サック (Zak 
, Sak , Sakku 
) , in the entire world, is a common family name. The family name サック is habitual in Eastern Europe, particularly Slovakia, where it is a common surname, Czechia, where it is quite a common surname, and Poland (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Turkey, Poland, and Slovakia. Also, サック is the forename as well as the last name.