Last name สุขชัย (สุขชัย 
, Sukchai 
, Sookchai ) , across the world, is quite a rare family name. The family name สุขชัย is habitual in Thailand, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Also, สุขชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sookchai, สุขชัย | Thailand |
| Sukchai | Thailand, United States, Malaysia |
| Sukhchai | India |
Sookchaisee, Sugchai, and Sukchay