Last name Сылин (Siling 
, Сылин) , around the world, is a rare cognomen. The last name Сылин is habitual in Estonia, where it is quite a rare surname, Slovenia, where it is a rare surname, and Malaysia. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Indonesia, Philippines, and Malaysia. More frequently, Сылин is the forename as well as the last name.