Around the globe, วิทย (Witthaya 
, วิทย ) is a rare male given name. The forename วิทย is habitual in South-eastern Asia, particularly Thailand, where it is a rare boy's name. Much less frequently, วิทย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Witthaya | Germany, Australia, Thailand, United States, Egypt |
| วิทย | Thailand |
ชูทอง, ฐานาริยชัย, and สุวรรณบุตร