10.Norwegian National Championships - Kristiania - March 5-6 1921
based on http://no.wikipedia.org/wiki/NM_i_boksing
Medallists:
| Weight | Champion | Silver Medal |
| 50,8kg | Einar Nielsen Skar | Alfred Larsen |
| 53,5kg | John Koss | Finn Finsen |
| 57,2kg | Louis Darbo | Alf Pedersen |
| 61,2kg | Paul Erdahl | Kristoffer Nielsen |
| 66,7kg | Aage Steen | Trygve Stokstad |
| 72,6kg | Johannes Roehme | Hjalmar Stroemme |
| 79,4kg | Johan Johansen | |
| +79,4kg | Johan Fog Clementz | Hoffmann |