2002–03 Bosnia and Herzegovina Football Cup was the ninth season of the Bosnia and Herzegovina's annual football cups, and the third season of the unified competition. The competition started on 6 November 2002 with the First Round and concluded on 27 May 2003 with the Final.
| Tournament details | |
|---|---|
| Country |  Bosnia and Herzegovina |
| Teams | 32 |
| Defending champions | Sarajevo |
| Final positions | |
| Champions | Željezničar 3rd national cup title |
| Runner-up | Leotar |
First round
Thirty-two teams entered in the First Round. The first legs were played on 6 November and the second legs were played on 10 November 2002.
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Borac Banja Luka | 6–2 | Podgrmeč Sanski Most | 4–1 | 2–1 |
| Modriča Maxima | 2–0 | Posušje | 2–0 | 0–0 |
| Grude | 2–3 | Leotar | 1–0 | 1–3 |
| Široki Brijeg | 2–1 | Čelik Zenica | 1–0 | 1–1 |
| Rudar Kakanj | 5–4 | Ljubić Prnjavor | 3–1 | 2–3 |
| Zrinjski | 1–1 (4–2 p) | Radnik Bijeljina | 1–0 | 0–1 |
| Troglav | 1–10 | Sarajevo | 0–3 | 1–7 |
| Kozara Gradiška | 4–4 (a) | Sloboda Tuzla | 3–0 | 1–4 |
| Saobraćajac Sarajevo | 2–2 (3–5 p) | Brotnjo | 1–1 | 1–1 |
| Sloga Prud | 2–12 | Željezničar | 1–7 | 1–5 |
| Jedinstvo Bihać | 11–2 | Budućnost Banovići | 7–0 | 4–2 |
| Velež | 6–1 | Bosna Visoko | 4–0 | 2–1 |
| Rudar Ugljevik | 7–5 | Mladost Gacko | 5–0 | 2–5 |
| Glasinac Sokolac | 3–1 | Sloga Tojšići | 2–0 | 1–1 |
| Orašje | 2–1 | Slavija | 1–1 | 1–0 |
| Zovko Žepče | 4–2 | Goražde | 3–1 | 1–1 |
Second round
The 16 winners from the prior round enter this round. The first legs were played on 27 November and the second legs were played on 30 November 2002.
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Rudar Kakanj | 5–8 | Zrinjski | 5–0 | 0–8 |
| Glasinac Sokolac | 0–2 | Modriča Maxima | 0–0 | 0–2 |
| Željezničar | 4–3 | Jedinstvo Bihać | 4–1 | 0–2 |
| Široki Brijeg | 6–7 | Velež | 6–2 | 0–5 |
| Borac Banja Luka | 8–1 | Orašje | 5–0 | 3–1 |
| Leotar | 4–2 | Brotnjo | 3–0 | 1–2 |
| Sarajevo | 7–0 | Rudar Ugljevik | 4–0 | 3–0[1] |
| Kozara Gradiška | 2–6 | Zovko Žepče | 1–1 | 1–5 |
Quarterfinals
The eight winners from the prior round enter this round. The first legs were played on 15 February and the second legs were played on 5 March 2003.
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Leotar | 13–2 | Velež | 10–0 | 3–2 |
| Borac | 1–2 | Zrinjski | 1–0 | 0–2 |
| Modriča Maxima | 2–3 | Željezničar | 2–1 | 0–2 |
| Sarajevo | 2–2 (3–4 p) | Zovko Žepče | 1–1 | 1–1 |
Semifinals
The four winners from the prior round enter this round. The first legs will be played on 19 March and the second legs were played on 9 April 2003.
| Team 1 | Agg. | Team 2 | 1st leg | 2nd leg |
|---|---|---|---|---|
| Leotar | 1–1 (6–5 p) | Zrinjski | 1–0 | 0–1 |
| Zovko Žepče | 1–3 | Željezničar | 1–1 | 0–2 |
Final
First leg
Second leg
Željezničar won 2–0 on aggregate.