Last name คันชัย (Khanchai 
, Kanshai , คันชัย ) , all over the world, is a rare family name. The cognomen คันชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. More frequently, คันชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khanchai | United States, Thailand, India, Malaysia |
| Kanshai | Thailand, India |
| คันชัย | Thailand |