1920–21 Belfast Charity Cup

The 1920–21 Belfast Charity Cup was the 38th edition of the Belfast Charity Cup, a cup competition in Irish football.

Distillery won the tournament for the 3rd time, defeating Glentoran 2–0 in the final.

Quarter-finals

 * }

1Distillery won on penalty kicks.

Semi-finals

 * }

1Although the game finished in a draw, it was not replayed and Glentoran advanced to the final.