Family name Xaen (เซียน 
, Xaen 
) , globally, is a very rare last name. The last name Xaen is characteristic of Iraq, where it is a rare surname, Thailand, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Iraq, Thailand, and Mexico. More frequently, Xaen is the forename as well as the last name.