Around the world, สิรวัศฐ์ (สิรวัศฐ์ 
) is a very rare dominantly masculine, but uncommonly girly forename. The forename สิรวัศฐ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare dominantly male, but uncommonly female name.
| VARIANT | COUNTRY |
|---|---|
| สิรวัศฐ์ | Thailand |