Family name Janchaichit (Janchaichit 
) , worldwide, is a very rare last name. The surname Janchaichit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Janchaichit | Thailand |
| reungyos janchaichit association football player, TH (b. 1998) |
|