It began on 30 January 1982, and concluded on 24 April 1982 with the final.
Linfield won their 33rd Irish Cup, defeating Coleraine 2–1 in the final.
[2] 1This tie required two replays, after the first games ended as 2–2 and 1–1 draws.
[2] 2This tie required a replay, after the first game ended as a 0–0 draw.
[2] 3This tie required two replays, after the first games ended as 2–2 and 0–0 draws.