2003–04 Slovenian Football Cup
The 2003–04 Slovenian Football Cup was the 13th season of the Slovenian Football Cup, Slovenia's football knockout competition.- Celje
- Dravograd
- Gorica
- Koper
- Ljubljana
- Maribor
- Mura
- Olimpija
- Primorje
- Rudar Velenje
- Šmartno
Qualified through MNZ Regional Cups
- MNZ Ljubljana: Domžale, Bela Krajina, Factor
- MNZ Maribor: Železničar Maribor, Fužinar, Paloma
- MNZ Celje: Krško, Šoštanj
- MNZ Koper: Izola, Jadran Hrpelje-Kozina
- MNZ Nova Gorica: Bilje, Brda
- MNZ Murska Sobota: Bakovci, Cven
- MNZ Lendava: Bistrica, Nafta Lendava
- MNZG-Kranj: Jesenice, Šenčur
- MNZ Ptuj: Drava Ptuj, Aluminij
Quarter-finals
Semi-finals
Final
Second leg