The 1890 season was the seventh season of regional competitive association football in Australia. There were two league competitions and two cup competitions fielded by Northern District British Football Association (Northern NSW) and the South British Football Soccer Association (New South Wales).
| Federation | Competition | Winners[1] | Runners-up | Third place | |
|---|---|---|---|---|---|
| Northern District British Football Association | Northern NSW Football League | Burwood United | — | — | |
| South British Football Soccer Association | Sydney Badge Series | Parkgrove | — | — |
| Federation | Competition[2] | Winners | Runners-up | Venue | Result | |
|---|---|---|---|---|---|---|
| Northern District British Football Association | Ellis Cup | Minmi Rangers | — | – | 3–2 | |
| South British Football Soccer Association | Gardiner Challenge Cup[3] | Pyrmont Rangers (2/0) | Granville (0/1) | – | 3–1 |
(Note: figures in parentheses display the club's competition record as winners/runners-up.)