Family name Fashan (Fashan 
, 发山 , 法山 ) , all around the world, is quite a rare surname. The family name Fashan is habitual in Sri Lanka, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Pakistan. Measured by absolute frequency, the name is most common in China, Sri Lanka, and Indonesia. More prevalently, Fashan is the forename as well as the last name.