Family name Кемени (Kemény 
, Kemeny 
, Kemeni 
) , all over the world, is quite a common surname. The family name Кемени is characteristic of Hungary, where it is quite a common surname, Cameroon, where it is quite a rare surname, and Slovakia. Not in comparison with a country's population, it most frequently occurs in Hungary, Cameroon, and the United States. Very seldom, Кемени is the forename as well as the last name.