| Ulster Cup | |
| Year: | 1966–67 |
| Num Teams: | 12 |
| Defending Champions: | Coleraine |
| Winners: | Glentoran (3rd win) |
| Second: | Glenavon |
| Matches: | 66 |
| Goals: | 289 |
| Prev Season: | 1965–66 |
| Next Season: | 1967–68 |
The 1966–67 Ulster Cup was the 19th edition of the Ulster Cup, a cup competition in Northern Irish football.[1]
Glentoran won the tournament for the 3rd time, finishing top of the group standings.[2]