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 | Thailand, India, Indonesia, Malaysia, China |
| Suchul | New Zealand, United States, South Korea, India, Cambodia |
| Sugul | Australia, Thailand, India, Malaysia |
| สุกุล | Thailand |