Cognomen วิทยากูล (วิทยากูล 
) , around the world, is a very rare family name. The surname วิทยากูล is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, วิทยากูล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| วิทยากูล | Thailand |