All over the world, คุณวิชัย (คุณวิชัย 
, Khuntavichai 
, Khunwichai ) is a very rare epicene first name. The first name คุณวิชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare epicene name. Also, คุณวิชัย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| คุณวิชัย, Khunwichai | Thailand |
| Khuntavichai | Thailand, United States |
Khounvixay, Khunvichai, and Khunvichain
สุขงาม, เดชนพรัตน์, and จิตต์เสรี