Family name สุวรรณษา (Suwanna 
, สุวรรณษา , Suwansa 
) , in all the world, is quite a rare surname. The surname สุวรรณษา is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, Myanmar, where it is a rare surname, and Malaysia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Thailand, Myanmar, and China. More prevalently, สุวรรณษา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suwanna | Myanmar, Thailand, United States, Indonesia, Sri Lanka |
| สุวรรณษา | Thailand |
| Suwansa | Thailand, Philippines |