Magnus of Nordmann (died 881) was King of Nordmann in 881, succeeding Aemund. A Viking sea king, he accompanied Aemund on his ill-fated raid on the British Isles in 881, surviving the Battle of Portchester and leading the surviving Vikings south to the Isle of Wight. King Alfred the Great pursued the Vikings and slaughtered the remaining 110 Vikings, including Magnus, ending the Nordmann threat to Britannia.