Family name Isliam (Ислям 
, Isliam 
, Ислиам ) , around the world, is a rare cognomen. The family name Isliam is characteristic of Bulgaria, where it is a rare surname, Oman, and Kazakhstan, where it is a very rare surname. In absolute terms, this name is the most popular in Bangladesh, Bulgaria, and Oman. More frequently, Isliam is the forename as well as the last name.