Cognomen Rakpuang (Rakpuang 
) , across the world, is a very rare surname. The cognomen Rakpuang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rakpuang | Thailand |
Sarawut, Songsak, Pornthip, and Sutthiphot