Cognomen Fensin (Fensin 
) , around the world, is a very rare family name. The last name Fensin is habitual in Northern America, particularly the United States, where it is a very rare surname, and Canada, where it is an extremely rare surname. Much less frequently, Fensin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fensin | Canada, Spain, United States |