All around the world, หยั่น (Yan 
, หยั่น) is a widespread epicene forename. The forename หยั่น is habitual in Eastern Asia, particularly Mongolia, where it is a prevalent masculine name, Macao, where it is a common principally female, but very seldom masculine name, and Hong Kong, where it is a common mostly girly, but seldom masculine name (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Mongolia, Indonesia, and Brazil. More prevalently, หยั่น is the last name as well as the forename.
หยั่น is also a name for the fictitious and mythical characters: Yan Po , the Water Margin character and Yan Lin , the W.I.T.C.H character, W.I.T.C.H..