Family name สิรฎา (Sirada 
, สิรฎา ) , all around the world, is a rare surname. The family name สิรฎา is characteristic of Georgia, where it is a very rare surname, Indonesia, and Thailand. Measured by absolute frequency, this name is the most popular in Indonesia, Thailand, and India. Much more frequently, สิรฎา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sirada | Thailand, United States, India, Indonesia, Nigeria |
| สิรฎา | Thailand |