Last name Хэк (Hack 
, Хэк) , throughout the world, is a common cognomen. The last name Хэк is characteristic of Guam, where it is quite a common surname, Germany, and Luxembourg, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Brazil. Much less frequently, Хэк is the forename as well as the last name.