Cognomen สุกุล (Sukun 
, Suchul 
, Sugul 
) , worldwide, is quite a rare family name. The last name สุกุล is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, Malaysia, and Indonesia. More frequently, สุกุล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sukun | Malaysia, China, India, Thailand, Indonesia |
| Suchul | Cambodia, United States, India, South Korea, New Zealand |
| Sugul | Malaysia, India, Australia, Thailand |
| สุกุล | Thailand |