Family name Islyam (Ислям 
, Islyam 
) , all over the world, is a rare cognomen. The cognomen Islyam is characteristic of Bulgaria, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and Greece. Not in comparison with a country's population, the name is most common in Bulgaria, Kazakhstan, and Russia. More prevalently, Islyam is the forename as well as the last name.