Last name Салгай (Salgai 
, Salgay 
, Салгай 
) , all around the world, is a rare cognomen. The last name Салгай is habitual in Moldova, where it is quite a rare surname, Russia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. More frequently, Салгай is the forename as well as the last name.