| Irish Cup | |
| Year: | 1955–56 |
| Num Teams: | 16 |
| Defending Champions: | Dundela |
| Winners: | Distillery (11th win) |
| Second: | Glentoran |
| Matches: | 20 |
| Goals: | 69 |
| Prev Season: | 1954–55 |
| Next Season: | 1956–57 |
The 1955–56 Irish Cup was the 76th edition of the Irish Cup, the premier knock-out cup competition in Northern Irish football.
Distillery won the cup for the 11th time, defeating Glentoran 1–0 in the second final replay at Windsor Park after the previous two matches ended in draws.[1]
Dundela were the holders but they were defeated 5-1 by Linfield Swifts in the first round.[2]
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