The 2002–03 Algerian Cup was the 39th edition of the Algerian Cup. USM Alger won the Cup by defeating CR Belouizdad 2–1 in extra time in the final after the game ended 1-1. It was USM Alger's sixth Algerian Cup in its history.
Round of 64
Round of 32
Round of 16
| Tie no | Home team | Score | Away team |
|---|---|---|---|
| 1 | USM Alger | 1–0 | OMR El Annasser |
| 2 | USM Sétif | 1–1 (4-5 p) | CR Belouizdad |
| 3 | WA Tlemcen | 0–1 | MC Oran |
| 4 | CA Bordj Bou Arréridj | 0–0 (3-4 p) | NA Hussein Dey |
| 5 | MO Constantine | 1–0 | CRB El Milia |
| 6 | JS Kabylie | 2–0 | ES Béchar |
| 7 | CA Batna | 0–1 | Hydra AC |
| 8 | US Chaouia | 0–1 | USM Bel-Abbès |
Quarter-finals
| Tie no | Home team | Score | Away team |
|---|---|---|---|
| 1 | USM Alger | 2–0 | NA Hussein Dey |
| 2 | USM Bel-Abbès | 0–1 | MC Oran |
| 3 | CR Belouizdad | 2–1 | JS Kabylie |
| 4 | Hydra AC | 0–4 | MO Constantine |
Semi-finals
| Tie no | Home team | Score | Away team |
|---|---|---|---|
| 1 | CR Belouizdad | 1–0 | MO Constantine |
| 2 | USM Alger | 3–0 | MC Oran |
Matches
| CR Belouizdad | 1–0 | MO Constantine |
|---|---|---|
| Report |
Referee: Djaballah
| USM Alger | 3–0 | MC Oran |
|---|---|---|
Isâad Bourahli  5', 75', 87' |
Report |
Stade Maâmar Sahli, Chlef
Final
| Home team | Score | Away team |
|---|---|---|
| USM Alger | 2–1 (a) | CR Belouizdad |
| USM Alger | 2–1 (a.e.t) | CR Belouizdad |
|---|---|---|
| Tarek Ghoul 39' (pen.) Moncef Ouichaoui 117' |
Report | Abdelaziz Rouaïghia 55' |
Champions
| Algerian Cup 2002–03 Winners |
|---|
|
| USM Alger 6th Title |
