In all the world, Sanmun (Sanmun 
) is a very rare epicene first name. The given name Sanmun is habitual in Southern Asia, particularly India, where it is an extremely rare unisex name. Very seldom, Sanmun is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sanmun | Malaysia, India, Mexico, Thailand |