1890–91 in Scottish football
1890–91 in Scottish football was the 18th season of competitive football in Scotland. This season saw the introduction of the Scottish Football League with ten teams competing.
Scottish Football League
and Rangers were declared joint champions after drawing a play-off game 2–2 at Cathkin Park, Glasgow on 21 May 1891. Renton started the season as members of the Scottish Football League, but were expelled for professionalism. Also, Celtic, Third Lanark and Cowlairs were all docked four points for fielding ineligible players.Scottish Cup
were winners of the Scottish Cup after a 1–0 win over Dumbarton in the final.County honours
| Competition | Winner | Score | Runner-up |
| Aberdeenshire Cup | Orion | 4 – 1 | Caledonian |
| Ayrshire Cup | Kilmarnock | 7 – 1 | Hurlford |
| Dumbartonshire Cup | Dumbarton | 4 – 1 | Vale of Leven |
| East of Scotland Shield | Hearts | 3 – 0 | Armadale |
| Fife Cup | Cowdenbeath | 2 –1 | Lassodie |
| Forfarshire Cup | Dundee Our Boys | 6 – 2 | Dundee East End |
| Glasgow Cup | Celtic | 4 – 0 | 3rd LRV |
| Lanarkshire Cup | Airdrie | 2 – 1 | Albion Rovers |
| Linlithgowshire Cup | Armadale | 2 – 0 | Bo'ness |
| Perthshire Cup | Dunblane | 4 – 2 | St Johnstone |
| Renfrewshire Cup | St Mirren | 4 – 0 | Port Glasgow Athletic |
| Stirlingshire Cup | East Stirlingshire | 4 – 1 | Grangemouth |
Junior Cup
were winners of the Junior Cup with a 2–0 win over Chryston Athletic, in a replay after a draw in the first final.Scotland national team
| Date | Venue | Opponents | Competition | Scotland scorer | |
| 21 March | The Racecourse, Wrexham | 4–3 | BHC | Bob Boyd, James Logan, Robert Buchanan | |
| 28 March | Celtic Park, Glasgow | 2–1 | BHC | James Low, Tom Waddell | |
| 4 April | Ewood Park, Blackburn | 1–2 | BHC | Frank Watt |
Key:
- = Home match
- = Away match
- BHC = British Home Championship