| Dumbarton F.C.|| 1890|
| 1893–94 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.
1890–91 in Scottish football Wikipedia
Dumbarton 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 (the game was still officially amateur at this stage). Also, Celtic, Third Lanark and Cowlairs were all docked four points for fielding ineligible players.
Hearts were winners of the Scottish Cup after a 1–0 win over Dumbarton in the final.
Vale of Clyde were winners of the Junior Cup with a 2–0 win over Chryston Athletic, in a replay after a draw in the first final.
Key:(H) = Home match
(A) = Away match
BHC = British Home Championship