| Irish Cup | |
| Year: | 1944–45 |
| Num Teams: | 12 |
| Defending Champions: | Belfast Celtic |
| Winners: | Linfield (22nd win) |
| Second: | Glentoran |
| Matches: | 17 |
| Goals: | 100 |
| Prev Season: | 1943–44 |
| Next Season: | 1945–46 |
The 1944–45 Irish Cup was the 65th edition of the Irish Cup, the premier knock-out cup competition in Northern Irish football.
Linfield won the tournament for the 22nd time, defeating Glentoran 4–2 in the final at Celtic Park.[1] [2]
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1 Glentoran II were awarded the tie as Bangor were expelled from the tournament for an infringement of the rules.
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