Family name Waeowanjit (Waeowanjit 
) , throughout the world, is a very rare cognomen. The surname Waeowanjit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Waeowanjit | Thailand |
Gard, Phimpaporn, Jiraporn, Nannalin, and Wittawat