The 1984 Norwegian Football Cup was the 79th edition of the Norwegian annual knockout football tournament. The Cup was won by Fredrikstad after beating Viking in the cup final. It took a replay to decide the winner. This was Fredrikstad's tenth Norwegian Cup title. They had to wait 22 years for their eleventh title, in 2006.

First round

|colspan="3" style="background-color:#97DEFF"|23 May 1984

|colspan="3" style="background-color:#97DEFF"|29 May 1984

|colspan="3" style="background-color:#97DEFF"|30 May 1984

|colspan="3" style="background-color:#97DEFF"|31 May 1984

|colspan="3" style="background-color:#97DEFF"|Unknown date

|colspan="3" style="background-color:#97DEFF"|Replay: 5 June 1984

|colspan="3" style="background-color:#97DEFF"|Replay: 6 June 1984

Second round

|colspan="3" style="background-color:#97DEFF"|13 June 1984

|colspan="3" style="background-color:#97DEFF"|14 June 1984

|colspan="3" style="background-color:#97DEFF"|Replay: 20 June 1984

|colspan="3" style="background-color:#97DEFF"|Replay: 21 June 1984

|colspan="3" style="background-color:#97DEFF"|Replay: 22 June 1984

Third round

|colspan="3" style="background-color:#97DEFF"|22 June 1984

|colspan="3" style="background-color:#97DEFF"|28 June 1984

|colspan="3" style="background-color:#97DEFF"|Replay: 3 July 1984

|colspan="3" style="background-color:#97DEFF"|Replay: 4 July 1984

Fourth round

Quarter-finals

Replay

Semi-finals

Replay

Final

First match

Replay match

References http://www.rsssf.no