9.Norwegian National Championships - Trondheim - March 20-21 1920
based on http://no.wikipedia.org/wiki/NM_i_boksing
Medallists:
| Weight | Champion | Silver Medal | Bronze Medal |
| 50,8kg | Peder Kjellberg | Arne Knardahl | Finn Finsen |
| 53,5kg | Louis Darbo | Hjalmar Nygaard | H.Holth |
| 57,2kg | Arthur Olsen | Filip Olsen | R.Winther |
| 61,2kg | Johan Saeterhaug | Niels Jensen | R.Johansen |
| 66,7kg | Aage Steen | Walseth | |
| 72,6kg | Johannes Roehme | Einar Gulbrandsen | Arne Ingdahl |
| 79,4kg | Sverre Soersdal | J.Clausen | Eduartsen |
| +79,4kg | Johan Fog Clementz | Hoffmann | K.Olsen |