The Men's Irish Senior Cup is the senior field hockey cup competition organised by Hockey Ireland, featuring men's teams from the Republic of Ireland and Northern Ireland.

The competition was first established in 1893, making it the oldest field hockey cup competition in the world.

[1][2][3][4][5][6][7][8][9] Lisnagarvey are the competition's most successful team.

[4][10] The 2018–19 format saw the Men's Irish Hockey League Division 1 teams receive a bye into Round 3, the last sixteen.

Rounds 1 and 2 feature teams from the Munster, Leinster and the Ulster Senior Leagues.