| Cupa României | |
| Year: | 1983–84 |
| Country: | Romania |
| Winners: | Dinamo București |
| Second: | Steaua București |
| Prev Season: | 1982–83 |
| Next Season: | 1984–85 |
The 1983–84 Cupa României was the 46th edition of Romania's most prestigious football cup competition.
The title was won by Dinamo București against Steaua București.
The competition is an annual knockout tournament.
First round proper matches are played on the ground of the lowest ranked team, then from the second round proper the matches are played on a neutral location.
If a match is drawn after 90 minutes, the game goes in extra time, if the scored is still tight after 120 minutes, then the winner will be established at penalty kicks.
From the first edition, the teams from Divizia A entered in competition in sixteen finals, rule which remained till today.
|colspan=3 style="background-color:#FFCCCC;"|7 December 1983|-|colspan=3 style="background-color:#FFCCCC;"|12 February 1984|-|colspan=3 style="background-color:#FFCCCC;"|23 February 1984
|colspan=3 style="background-color:#FFCCCC;"|3 March 1984
|colspan=3 style="background-color:#FFCCCC;"|20 March 1984|-|colspan=3 style="background-color:#FFCCCC;"|18 April 1984
|colspan=3 style="background-color:#FFCCCC;"|11 May 1984
See main article: 1984 Cupa României Final.