Around the world, อุษมาศ (อุษมาศ 
) is a very rare mostly female, but seldom boy's first name. The first name อุษมาศ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare dominantly feminine, but infrequently masculine name.
| VARIANT | COUNTRY |
|---|---|
| อุษมาศ | Thailand |
ชาญฉลาด, and วงษ์สุรินทร์