| Irish Cup | |
| Year: | 1915–16 |
| Country: |  Ireland |
| Num Teams: | 10 |
| Defending Champions: | Linfield |
| Winners: | Linfield (12th win) |
| Second: | Glentoran |
| Matches: | 11 |
| Goals: | 30 |
| Prev Season: | 1914–15 |
| Next Season: | 1916–17 |
The 1915–16 Irish Cup was the 36th edition of the Irish Cup, the premier knock-out cup competition in Irish football.
Linfield won the tournament for the 12th time and the 2nd consecutive year, defeating Glentoran 1–0 in the final.[1] [2]
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1 Linfield were awarded victory after Belfast United played an ineligible player.
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