This page is the index to all the cup competitions for the 1990-91 season that are fully or partly featured in the FCHD.
| F.A. Cup | Won by Tottenham Hotspur |
| F.A. Trophy | Won by Wycombe Wanderers |
| F.A. Vase | Won by Guiseley |
| Football League Cup | Won by Sheffield Wednesday |
| Football League Full Members Cup | Won by Crystal Palace |
| Football League Associate Members Cup | Won by Birmingham City |
| Scottish Cup | Won by Motherwell |
| Scottish League Cup | Won by Rangers |
| Scottish League Centenary Cup | Won by Dundee |
| Welsh Cup | Won by Swansea City |
Please credit the F.C.H.D. when using this information elsewhere