Surname Kanasiri (คณาสิริ 
, Kanasiri 
, กะณะศิริ ) , across the world, is a very rare last name. The family name Kanasiri is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, Kanasiri is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กะณะศิริ, คณาสิริ | Thailand |
| Kanasiri | India, Thailand |