The 2003 Norwegian Football Cup was the 98th edition of the Norwegian Football Cup. Rosenborg won their 9th Norwegian Championship title after defeating Bodø/Glimt in the final with the score 3–1. The final was played on Sunday 9 November at Ullevaal stadion in Oslo. Bodø/Glimt reached the final after beating Verdal, Mo, Tromsdalen, Ørn-Horten, Aalesund and Tromsø. Rosenborg reached the final after beating Buvik, Clausenengen, Lofoten, Lyn, Haugesund and Skeid.

Calendar

Below are the dates for each round as given by the official schedule:

First round

Second round

Third round

Fourth round

Quarter-finals

Semi-finals

Final