Surname จินชัย (Jinchai 
, จินชัย ) , globally, is a rare last name. The cognomen จินชัย is habitual in Thailand, where it is a rare surname, Malaysia, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More prevalently, จินชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jinchai | China, Malaysia, Thailand, Ecuador, Spain |
| จินชัย | Thailand |