Family name Hallgrim (Hallgrim 
) , all around the world, is a very rare cognomen. The last name Hallgrim is habitual in Norway, where it is a very rare surname, and Brazil, where it is an extremely rare surname. More prevalently, Hallgrim is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hallgrim | Brazil, United States, Norway, Spain |
Hallgrimur, and HallgrÃmur