Around the world, Watn (วัฒน์ 
, วัฒน , Watn 
) is a rare primarily masculine, but very infrequently female first name. The first name Watn is habitual in Thailand, where it is a rare predominantly boy's, but very infrequently feminine name, and Saudi Arabia, where it is a very rare masculine name. Very seldom, Watn is the last name as well as the forename.