The 1920 season was the 37th season of regional competitive soccer in Australia.
| Federation | Competition [9] | Winners | Runners-up | Venue | Result |
|---|---|---|---|---|---|
| Northern District British Football Association | Ellis Cup [10] | West Wallsend Bluebells | Adamstown Rosebud | – | 3–2 |
| New South Wales British Football Association | Gardiner Challenge Cup [11] | Balmain Fernleigh (2/0) | Granvile (2/2) | – | 2–0 |
| South Australian British Football Association | South Australia Federation Cup [12] | Cheltenham | South Adelaide | – | 2–1 |
| Tasmanian Soccer Association | Falkinder Cup [13] | Corinthians | St George | – | 5–1 (R) |
| Anglo-Australian Football Association | Dockerty Cup [14] | Northumberland & Durham United (1/0) Albert Park (1/0) | – | – | |
(Note: figures in parentheses display the club's competition record as winners/runners-up.)