In the world, Sileng (斯楞 
, Sileng 
, เงียบ 
) is a rare largely male, but seldom feminine given name. The first name Sileng is habitual in Thailand, where it is a very rare unisex name, and China, where it is a very rare largely boy's, but seldom feminine name. Much less frequently, Sileng is the last name as well as the forename.