| Irish Cup | |
| Year: | 1904–05 |
| Country: |  Ireland |
| Num Teams: | 12 |
| Defending Champions: | Linfield |
| Winners: | Distillery (8th win) |
| Second: | Shelbourne |
| Matches: | 12 |
| Goals: | 40 |
| Prev Season: | 1903–04 |
| Next Season: | 1905–06 |
The 1904–05 Irish Cup was the 25th edition of the Irish Cup, the premier knockout cup tournament in Irish football.
Distillery successfully defended its 1904 title in the final, an 8th successive title, defeating Shelbourne 3–0.[1] [2]
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