| Ulster Cup | |
| Year: | 1981–82 |
| Num Teams: | 12 |
| Defending Champions: | Ballymena United |
| Winners: | Glentoran (5th win) |
| Second: | Coleraine |
| Matches: | 66 |
| Goals: | 208 |
| Prev Season: | 1980–81 |
| Next Season: | 1982–83 |
The 1981–82 Ulster Cup was the 34th edition of the Ulster Cup, a cup competition in Northern Irish football.[1]
Glentoran won the tournament for the 5th time, finishing top of the group standings.[2]