The 1956 Norwegian Football Cup was the 51st 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 Ullevaal Stadion in Oslo on 21 October 1956, and was contested the defending champions Skeid, and Larvik Turn who contested their first final. Skeid successfully defended their title with a 5–0 victory in the final.