| Irish Cup | |
| Year: | 1973–74 |
| Num Teams: | 16 |
| Defending Champions: | Glentoran |
| Winners: | Ards (4th win) |
| Second: | Ballymena United |
| Matches: | 20 |
| Goals: | 86 |
| Prev Season: | 1972–73 |
| Next Season: | 1974–75 |
The 1973–74 Irish Cup was the 94th edition of the Irish Cup, the premier knock-out cup competition in Northern Irish football.
Ards won the cup for the 4th time, defeating Ballymena United 2–1 in the final at Windsor Park.[1]
The holders Glentoran were eliminated in the first round by Crusaders.[2]
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