Last name Østerholm (Østerholm 
) , across the world, is an extremely rare surname. The last name Østerholm is habitual in Northern Europe, particularly Denmark, where it is a very rare surname, and Norway.
| VARIANT | COUNTRY |
|---|---|
| Østerholm | Norway, Denmark |
| jens østerholm Danish actor (1928-2006) (b. 1928) |
|