Around the world, Semasu (Semasu 
, Saemasu 
) is a very rare unisex first name. The forename Semasu is habitual in Southern Asia, particularly India, where it is an extremely rare epicene name. Very seldom, Semasu is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Semasu | Turkey, India |
| Saemasu | Thailand |