Last name Kryss (Kryss 
, Crux 
, Крисс 
) , around the world, is quite a rare cognomen. The family name Kryss is characteristic of Guadeloupe, where it is quite a common surname, Isle of Man, where it is quite a rare surname, and El Salvador. In absolute terms, it is the most numerous in Romania, Russia, and the United States. Very seldom, Kryss is the forename as well as the last name.