Family name Ruttanaphan (Ruttanaphan 
) , throughout the world, is a very rare cognomen. The family name Ruttanaphan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Ruttanaphan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruttanaphan | Thailand |