Surname Ruttanachai (Ruttanachai 
) , around the world, is a very rare last name. The cognomen Ruttanachai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, Ruttanachai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruttanachai | Thailand |