| Bosnia and Herzegovina Football Cup | |
| Year: | 2003–04 |
| Country: |  Bosnia and Herzegovina |
| Num Teams: | 32 |
| Defending Champions: | Željezničar |
| Champions: | Modriča 1st national cup title |
| Runner-Up: | Borac |
| Prevseason: | 2002–03 |
| Nextseason: | 2004–05 |
2003–04 Bosnia and Herzegovina Football Cup was the tenth season of the Bosnia and Herzegovina's annual football cup, and a fourth season of the unified competition. The competition started on 17 September 2003 with the First Round and concluded on 26 May 2004 with the Final.
Thirty-two teams entered in the First Round. The matches were played on 17 September 2003.
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The 16 winners from the prior round enter this round. The first legs were played on 22 and 29 October and the second legs were played on 5 November 2003. |}
The eight winners from the prior round enter this round. The first legs were played on 19 November and the second legs were played on 22 and 29 November 2003.
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The four winners from the prior round enter this round. The first legs will be played on 17 March and the second legs were played on 17 April 2004.
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