>
Last name Ratjai (Ratjai ) , throughout the world, is an extremely rare family name. Much more frequently, Ratjai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratjai | Thailand |
Upara, Erawan, Somboon, Vachprasit, Sirisubnobpakun, Anontaweesin, Chariratanaprakorn, Suttaharuthai, Banjongpan, Worrapongpat, and Sutthaharuthai