Surname แปลกใจ (แปลกใจ 
, Odjai 
) , around the world, is a very rare last name. The surname แปลกใจ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Indonesia. Very seldom, แปลกใจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| แปลกใจ | Thailand |
| Odjai | Indonesia, Thailand |