The 1937 Norwegian Football Cup was the 36th season of the Norwegian annual knockout football tournament. The tournament was open for all members of NFF, except those from Northern Norway. The final was played at Urædd Stadion in Porsgrunn on 17 October 1937, and was contested by the previous year's losing finalist Mjøndalen and the eleven–time former winners Odd. Mjøndalen secured their third title with a 4–2 win in the final. Fredrikstad were the defending champions, but were eliminated by Mjøndalen in the semifinal.
^Drammens BK Protested because the goal posts were to tall. The protest was denied by the NFF. Aftenposten, 24 June 1937.
^Skeid protested due to a KFK substitution of a player Skeid claimed to not be injured. The protest was rejected by the NFF due to lack of evidence that the player left the pitch unharmed. Aftenposten 24 June 1937.
^ abRematch after protest. Ranheim used an uneligible player in the first game, Sverre's protest was approved. Aftenposten 30 June 1937.