The 1920–21 County Antrim Shield was the 32nd edition of the County Antrim Shield, a cup competition in Irish football.
Glentoran won the tournament for the 6th time, defeating Distillery 1–0 in the third final replay at Windsor Park, after the original final and two subsequent replays finished in draws.
Results Quarter-finals
Semi-finals
Replays
Second replay
Final
Replay
Second replay
Third replay
References
External links Northern Ireland - List of County Antrim Shield Winners