| Ulster Cup | |
| Year: | 1971–72 |
| Num Teams: | 12 |
| Defending Champions: | Linfield |
| Winners: | Linfield (9th win) |
| Second: | Ballymena United |
| Matches: | 66 |
| Goals: | 222 |
| Prev Season: | 1970–71 |
| Next Season: | 1972–73 |
The 1971–72 Ulster Cup was the 24th edition of the Ulster Cup, a cup competition in Northern Irish football.[1]
Linfield won the tournament for the 9th time and 2nd consecutive season, finishing top of the group standings.[2]