Surname Jalernchai (Jalernchai 
) , around the globe, is an extremely rare last name. The surname Jalernchai is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, Jalernchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jalernchai | Thailand |
Tuantua, and Khrongkitthanakun