Surname สนามชัย (สนามชัย 
, Sanamchai 
) , in all the world, is a rare family name. The cognomen สนามชัย is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, สนามชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สนามชัย | Thailand |
| Sanamchai | United States, Thailand |