Surname Ерсін (Ersin 
, Ерсін 
) , across the world, is quite a rare last name. The cognomen Ерсін is habitual in North Macedonia, where it is quite a rare surname, Cyprus, and Turkey, where it is a rare surname. In absolute terms, it is the most numerous in Turkey, Germany, and Romania. More prevalently, Ерсін is the forename as well as the last name.