All over the world, Guttormsen (Guttormsen 
) is an extremely rare male forename. Much more frequently, Guttormsen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Guttormsen | Norway, Sweden, Australia, United States, Denmark |
Guthormsen, Guttorm, Guttormson, and Guttormsson
|
guttorm guttormsen Norwegian jazz saxophonist, NO (b. 1950) |
|
| magne sveen guttormsen Norwegian physicist and professor (b. 1950) |
|
|
| finn guttormsen Norwegian musician, NO (b. 1968) |
|
|
| iselin guttormsen |
|