In all the world, Swetlin (Светлин 
, Swetlin 
) is a rare male first name. The forename Swetlin is habitual in Eastern Europe, particularly Bulgaria, where it is quite a rare masculine name. Very seldom, Swetlin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Светлин | Bulgaria, Russia, Belarus |
| Swetlin | United States |