Magnus Bruun Nielsen (born January 3, 1984 in Hillerød, Denmark) is a Danish actor and voice actor.
He is perhaps best known outside his native country for playing King Cnut of Northumbria in the series The Last Kingdom and for voicing the male version of Eivor, the Player Character in Assassin's Creed: Valhalla.
- Bron|Broen (2013) as Christian
- Land of Mine (2015) as a Danish soldier
- The Last Kingdom (2018-2020) as Cnut of Northumbria
- Shrouded Destiny: A Star Wars Long Tale (Fan Film, 2018) as Jedi Knight Vendal
- Gentleman Jack (2019) as Count Blücher
- Assassin's Creed: Valhalla (2020) as male Eivor / Varin / Odin (voice)