Cognomen 威林 (Weilin 
, 威林 , Wirin 
) , in the entire world, is quite a rare family name. The family name 威林 is habitual in Singapore, where it is a rare surname, Hong Kong, and Malaysia. Measured by absolute frequency, the name is most common in China, Thailand, and Indonesia. More prevalently, 威林 is the forename as well as the last name.