The 1905 Norwegian Football Cup was the 4th edition of the Norwegian annual knockout football tournament open that year of 1905 to local association leagues (kretsserier) champions, except Kristiania og omegn where a separate cup qualifying tournament was held. Odd successfully defended its 1904 title on 10 September, 2-1, at Gamle Frogner, Kristiania against Akademisk FK, winning their third consecutive cup.[1]