Cognomen Suwannawijit (Suwannawijit 
) , around the globe, is a very rare family name. The last name Suwannawijit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Suwannawijit | Thailand |
Wanna, Ratwimon, Nitisat, Wannisa, and Nutthanicha