Cognomen Swelin (Swelin 
) , all over the world, is a rare surname. The last name Swelin is habitual in Myanmar, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada. Also, Swelin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Swelin | Philippines, India, Canada, Myanmar, New Zealand |