Cognomen สวิล (สวิล 
, Swil 
) , in the world, is a rare last name. The last name สวิล is habitual in Thailand, where it is a very rare surname, Australia, and South Africa. More frequently, สวิล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สวิล | Thailand |
| Swil | United Kingdom, South Africa, Australia, United States, India |