1890–91 Scottish Cup

The 1890–91 Scottish Cup was the 18th season of Scotland's most prestigious football knockout competition. Heart of Midlothian defeated Dumbarton 1–0 to win the trophy.

Glasgow and Lanarkshire district
Glengowan received a bye to the second round.

Renfrewshire, Ayrshire and Buteshire district
Beith received a bye to the second round.

East of Scotland and Fife district
Bellstane Birds received a bye to the second round and Edinburgh University received a bye to the third round.

Northern Counties
Portland Lybster received a bye to the second round.

Forfarshire and Perthshire district
Dundee Our Boys received a bye to the third round.

Southern Counties
Stranraer received a bye to the third round.

Forfarshire and Perthshire district
Arbroath received a bye to the fourth round.

Southern Counties
5th Kirkcudbright RV received a bye to the fourth round.

Fifth round
Abercorn, East Stirlingshire, Leith Athletic and 3rd Lanark RV received a bye to the quarter-finals.