| Ulster Cup | |
| Year: | 1987–88 |
| Num Teams: | 16 |
| Defending Champions: | Coleraine |
| Winners: | Larne (2nd win) |
| Second: | Coleraine |
| Matches: | 31 |
| Goals: | 88 |
| Prev Season: | 1986–87 |
| Next Season: | 1988–89 |
The 1987–88 Ulster Cup was the 40th edition of the Ulster Cup, a cup competition in Northern Irish football.[1]
Larne won the tournament for the 2nd time, defeating Coleraine 2–1 in the final.[2] [3] [4]
|}
|}