| Slovenian Football Cup | |
| Year: | 2004–05 |
| Country: | Slovenia |
| Num Teams: | 32 |
| Champions: | Celje (1st title) |
| Runner-Up: | Gorica |
| Matches: | 33 |
| Goals: | 128 |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
The 2004–05 Slovenian Football Cup was the 14th season of the Slovenian Football Cup, Slovenia's football knockout competition. The tournament system was changed for this season. 20 lower league teams played in the first round, two last placed Slovenian PrvaLiga teams joined in the second and the rest in the Round of 16. The final was held as a single-legged match.
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