Family name Jaengplai (Jaengplai 
) , in all the world, is a very rare cognomen. The last name Jaengplai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jaengplai | Thailand |
Assanee, Amornsak, Supakchaya, and Thanachuen