| Algerian Cup | |
| Year: | 1984–85 |
| Other Titles: | كأس الجزائر |
| Defending Champions: | MP Oran (2) |
| Winners: | MP Oran (3) |
| Second: | CRE Constantine |
| Scoring Leader: | Benkenida (CREC) (6) Bousri (JSBM) (6) |
| Prev Season: | 1983–84 |
| Next Season: | 1985–86 |
The 1984–85 Algerian Cup is the 23rd edition of the Algerian Cup. MP Oran are the defending champions, having beaten JH Djazaïr 2–1 in the previous season's final.