Family name Ruthaitip (Ruthaitip 
) , in all the world, is an extremely rare surname. Predominantly, Ruthaitip is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruthaitip | Thailand |
Kanya, Wesrungsikul, Prikkong, Naknarong, Hongyim, Phunnuan, Rodboonma, and Rujiravongs