1970–71 Irish Cup

The 1970–71 Irish Cup was the 91st edition of the Irish Cup, the premier knock-out cup competition in Northern Irish football.

Distillery won the cup for the 12th time, defeating Derry City 3–0 in the final at Windsor Park.

The holders Linfield were eliminated in the semi-final by Derry City.

First round

 * }

Replay

 * }

Quarter-finals

 * }

Semi-finals

 * }

Replay

 * }