Cognomen Ratsaphong (Ratsaphong 
) , in the entire world, is a very rare surname. The surname Ratsaphong is characteristic of Switzerland, where it is a rare surname, Australia, where it is a very rare surname, and France, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Switzerland, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ratsaphong | Australia, France, Switzerland, United States |