1950–51 Ulster Cup

The 1950–51 Ulster Cup was the third edition of the Ulster Cup, a cup competition in Northern Irish football.
Glentoran won the tournament for the 1st time, defeating Linfield 2–1 in the final.

Group stage

Section B

Playoff

Glentoran 2–0 Ards

Section C

Playoff

Linfield 0–0 Glenavon
Replay
Linfield 4–1 Glenavon

Section D

Playoff

Cliftonville 2–1 Larne