Family name Xelmi (Хелми 
, Xelmi 
) , all over the world, is a very rare surname. The cognomen Xelmi is habitual in Armenia, where it is a rare surname, Russia, where it is an extremely rare surname, and Ukraine. Measured by absolute frequency, it is commonest in Armenia, Russia, and Mexico. Also, Xelmi is the forename as well as the last name.