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.| Home team | Score | Away team |
| Abercorn | 8 – 0 | Irvine |
| Annan | 2 – 8 | Dumfries Wanderers |
| Arthurlie | 2 – 5 | St Mirren |
| Ayr | Walkover | Kilbarchan |
| Ayr Parkhouse | 6 – 1 | Kilbirnie |
| Bathgate Rovers | 3 – 2 | Dunfermline Athletic |
| Battlefield | 1 – 4 | Third Lanark |
| Brechin | 3 – 4 | Kirriemuir |
| Bridge of Allan | 7 – 2 | Southfield Rangers |
| Broxburn | Walkover | West Calder |
| Burnbank Swifts | 11 – 0 | United Abstainers |
| Burntisland Thistle | 4 – 2 | Bonnyrigg Rose |
| Caledonian | 2 – 1 | Victoria United |
| Cambuslang | 3 – 1 | Glasgow Wanderers |
| Camelon | 4 – 3 | Alloa Athletic |
| Campsie | 4 – 1 | Laurieston |
| Campsie Hibernian | 3 – 6 | Clydesdale Athletic |
| Carlton | Walkover | Lugar |
| Carrington | 1 – 2 | Albion Rovers |
| Cartha | Walkover | Carfin Shamrock |
| Cathcart | 5 – 3 | Pollokshaws Harp |
| Celtic | 1 – 0 | Rangers |
| Clackmannan | 9 – 0 | Milton of Campsie |
| Clyde | 7 – 2 | Whitefield |
| Cowdenbeath | 10 – 1 | Linlithgow Athletic |
| Cowlairs | 1 – 3 | Airdrieonians |
| Crieff | Walkover | Vale of Atholl |
| Dalry | 5 – 2 | Pollokshaws |
| Denny | 0 – 4 | Alloa |
| Douglas Rovers | 0 – 5 | Fifth KRV |
| Dundee Wanderers | 3 – 3 | Arbroath |
| Dunipace | Walkover | Vale/Leven Wanderers |
| East Stirlingshire | 8 – 2 | Grangemouth |
| Fair City Athletic | 7 – 3 | Dunblane |
| Bo'ness | Walkover | Blair Adam |
| Forfar Athletic | 2 – 7 | Dundee Our Boys |
| Greenock Abstainers | 0 – 13 | Newmilns |
| Hamilton Academical | Walkover | Linthouse |
| Heart of Midlothian | 7 – 2 | Raith Rovers |
| Inveraray | 4 – 1 | Lochgilphead |
| Inverness Thistle | 2 – 4 | Inverness Caledonian |
| Kelvinside Athletic | 1 – 1 | Glasgow Hibernian |
| Kilmarnock | 4 – 4 | Annbank |
| Kilsyth Wanderers | 2 – 1 | Renton |
| Kirkcaldy Wanderers | 3 – 4 | Hibernian |
| Kirkintilloch Athletic | 2 – 2 | Clydebank |
| Lanemark | Walkover | Dykebar |
| Leith Athletic | 3 – 2 | Annandale |
| Lochee | Walkover | Dundee Harp |
| Maryhill | Walkover | Southern Athletic |
| Mauchline | 1 – 3 | Kilmarnock Athletic |
| Maybole | 3 – 4 | Hurlford |
| Methlan Park | 1 – 0 | King's Park |
| Mid Annandale | 15 – 1 | Rising Thistle |
| Montrose | 7 – 1 | Broughty |
| Greenock Morton | 7 – 2 | Ayr Athletic |
| Mossend Swifts | Walkover | Lassodie |
| Motherwell Shamrock | 3 – 7 | Fairfield |
| Neilston | 7 – 3 | Bute Rangers |
| Newton Stewart Athletic | 0 – 9 | Dumfries |
| Northern | 5 – 0 | Clydesdale * |
| Oban | 3 – 0 | Oban Rangers |
| Old Kilpatrick | 1 – 6 | Jamestown |
| Orion | 1 – 5 | Aberdeen |
| Penicuik Athletic | 5 – 3 | Champfleurie |
| Port Glasgow Athletic | 0 – 2 | Monkcastle |
| Royal Albert | 5 – 4 | Motherwell |
| Rutherglen | Walkover | St.Bride's |
| Saltcoats Victoria | 4 – 3 | Lochwinnoch |
| Slamannan | 6 – 2 | Gairdoch |
| Smithston Hibernian | 2 – 8 | Dumbarton |
| St Bernard's | 7 – 0 | Adventurers*** |
| Stenhousemuir | Walkover | Vale of Leven |
| Stevenston Thistle | 9 – 2 | Stewarton Cunninghame |
| St Johnstone | 2 – 2 | Coupar ** |
| Stranraer | Walkover | Moffat |
| Strathmore | Walkover | East End |
| Thistle | 3 – 5 | Queen's Park |
| Tillicoultry | 1 – 5 | Dalmuir Thistle |
| Uddingston | 6 – 0 | Hamilton Harp |
| Union Dumbarton | 12 – 1 | Grasshoppers |
| Vale of Bannock | Walkover | Falkirk |
| Whifflet Shamrock | Walkover | Summerton Athletic |
| Wishaw Thistle | 3 – 2 | Partick Thistle |
- * Match Declared Void
- ** St Johnstone Declared winner against Coupar after 2–2 draw
- ***St Bernards Disqualified
Beith, Bellstane Birds, Glengowan, Portland Lybstor and Edinburgh University received byes into the second round.First Round replay
Second round
| Home team | Score | Away team |
| Abercorn | 12 – 0 | Cathcart |
| Aberdeen | 8 – 0 | Caledonian |
| Adventurers | Walkover | Vale of Leven Wanderers |
| Airdrieonians | 3 – 1 | Annbank |
| Ayr Parkhouse | 1 – 2 | Summerton Athletic |
| Bathgate Rovers | 6 – 2 | Union |
| Beith | 2 – 4 | Cambuslang |
| Bridge of Allan | 1 – 5 | Vale of Leven |
| Broxburn | 5 – 2 | Clackmannan |
| Burnbank Swifts | 2 – 1 | Stevenston Thistle * |
| Camelon | 2 – 1 | Alloa |
| Campsie | 4 – 4 | East Stirlingshire |
| Carlton | Walkover | Glengowan |
| Celtic | 2 – 2 | Carfin Shamrock |
| Clydesdale Athletic | 3 – 5 | Kilsyth Wanderers |
| Clyde | 4 – 3 | Hurlford |
| Crieff | 0 – 11 | Fair City Athletic |
| Dalmuir Thistle | 5 – 7 | Cowdenbeath |
| Dumfries Wanderers | 6 – 5 | Dumfries |
| Dundee Harp | 1 – 5 | Arbroath |
| Dundee East End | 4 – 2 | St Johnstone |
| Fairfield | 2 – 5 | Royal Albert |
| Bo'ness | 7 – 0 | Bellstane Birds |
| Fifth KRV | 9 – 1 | Mid Annandale |
| Heart of Midlothian | Walkover | Burntisland Thistle |
| Hibernian | 1 – 9 | Dumbarton |
| Inveraray | 4 – 2 | Oban |
| Inverness Caledonian | Walkover | Portland Lybstor |
| Jamestown | 2 – 5 | Mossend Swifts |
| Kirriemuir | 0 – 3 | Montrose |
| Leith Athletic | 7 – 2 | Falkirk |
| Linthouse | 7 – 2 | Maryhill |
| Monkcastle | 4 – 3 | Dalry |
| Greenock Morton | 3 – 2 | Neilston |
| Newmilns | 2 – 2 | Uddingston |
| Penicuik Athletic | 3 – 4 | Methlan Park |
| Queen's Park | 5 – 1 | Northern |
| Rutherglen | 1 – 3 | Ayr |
| Saltcoats Victoria | 3 – 2 | Lanemark |
| Slamannan | 5 – 2 | Clydebank * |
| St Mirren | 5 – 1 | Albion Rovers |
| Third Lanark | 8 – 1 | Kilmarnock Athletic |
| Wishaw Thistle | 4 – 1 | Glasgow Hibernian |
Dundee Our Boys, Edinburgh University and Stranraer received byes into the third round.Second round replay
Third round
and Fifth KRV Receiver byes into the Fourth round.Third round replay
Fourth round
Fifth Round
East Stirlingshire, Leith Athletic, Abercorn and Third Lanark received byes into the Quarter Final.Fifth round replay
- Match abandoned
Fifth round second replay
Quarter Final
Quarter Final replay
Quarter Final second replay
Semi-finals
Final
