Family name Кашшаи (Kassai 
, Кашшаи 
) , throughout the world, is quite a rare cognomen. The family name Кашшаи is habitual in Hungary, where it is quite a common surname, Slovakia, where it is quite a rare surname, and the Democratic Republic of the Congo, where it is a rare surname. Much less frequently, Кашшаи is the forename as well as the last name.