Last name วิจิตรชัย (Wichitchai 
, วิจิตรชัย , Wijitchai 
) , all over the world, is a very rare surname. The cognomen วิจิตรชัย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname. More frequently, วิจิตรชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wichitchai, Vijitchai, วิจิตรชัย | Thailand |
| Wijitchai | Thailand, Malaysia |
Wichainchai, and Wichiitchai