Family name Илинь (Yilin 
, Илинь) , all around the world, is a rare surname. The cognomen Илинь is habitual in Singapore, where it is quite a rare surname, Malaysia, where it is a rare surname, and Turkey, where it is a very rare surname. Not in comparison with a country's population, it is commonest in China, Malaysia, and Singapore. Much more frequently, Илинь is the forename as well as the last name.