Family name Gunstrøm (Gunstrøm 
) , all over the world, is a very rare surname. The family name Gunstrøm is habitual in Northern Europe, particularly Norway, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gunstrøm | Norway |
|
tor erik gunstrøm Norwegian actor and musician, NO (b. 1943) |
|
| eilif gunstrøm Norwegian musician, conductor and composer (b. 1897) |
|