>
Family name Hajek (Hajek , Hájek , Гаек ) , across the world, is a common last name. The cognomen Hajek is characteristic of Czechia, where it is a common surname, Slovakia, where it is quite a common surname, and Austria. Measured by absolute frequency, it is commonest in Czechia, the United States, and Germany. Much less frequently, Hajek is the forename as well as the last name.