Surname วิชชัย (Wichchai 
, วิชชัย , Witchai ) , globally, is a very rare last name. The family name วิชชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, วิชชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wichchai, Witchai, วิชชัย | Thailand |