Haakon Magnusson

Haakon Magnusson may refer to:
 * Haakon Magnusson of Norway (1068–1095), son of Magnus II of Norway, recognized as king only in Trondheim
 * Haakon V of Norway (1270–1319), King of Norway from 1299 until 1319.
 * Haakon VI of Norway (1340–1380), King of Norway from 1343 until 1380