1919–20 Irish Cup

The 1919–20 Irish Cup was the 40th edition of the Irish Cup, the premier knock-out cup competition in Irish football.

Shelbourne won the tournament for the 3rd time. They had defeated Glenavon in the semi-final, but crowd trouble marred the replay of the second semi-final between Belfast Celtic and Glentoran, and both clubs were subsequently expelled from the competition. Shelbourne were subsequently declared winners of the cup.

First round

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Quarter-finals

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Replay

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Semi-finals

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Replay

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1Following crowd trouble at the semi-final replay at Solitude, both Belfast Celtic and Glentoran were expelled from the competition and Shelbourne were declared winners of the cup.