Family name Forseng (Forseng 
) , around the globe, is a very rare surname. The surname Forseng is characteristic of Norway, where it is a rare surname, Canada, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Forseng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Forseng | Norway, Canada, United States, Philippines |