| Country: | Australia |
| Season: | 1931 |
| Prevseason: | 1930 |
| Nextseason: | 1932 |
| Flagicon: | yes |
| Soccer: | yes |
The 1931 season was the 48th season of regional competitive soccer in Australia.
| Federation | Competition[1] | Grand Final | Regular Season | ||||
|---|---|---|---|---|---|---|---|
| Winners | Score | Runners-up | Winners | Runners-up | |||
| Federal Capital Territory Soccer Football Association | FCTSA League | Not played | Not played | ||||
| Australian Soccer Association | NSW State League[2] | Weston | 4–2 | Leichhardt Annandale | North: Weston Bears South: Leichhardt Annandale | North: West Wallsend South: St George | |
| Queensland British Football Association | Brisbane Area League[3] | Latrobe | 4–0 | YMCA | Latrobe | Norman Park | |
| South Australian British Football Association | South Australia Division One[4] | Not played | Port Adelaide | West Torrens | |||
| Tasmanian Soccer Association | Tasmania Division One[5] | Cascades | 2–1 | Tamar | North: Tamar South: Cascades | North: North Esk South: Sandy Bay | |
| Anglo-Australian Football Association | Victoria Division One[6] | Not played | Brunswick | Royal Caledonians | |||
| Western Australian Soccer Football Association | Western Australia Division One[7] | Not played | Victoria Park | Thistle | |||
| Federation | Competition[8] | Winners | Runners-up | Venue | Result | |
|---|---|---|---|---|---|---|
| Australian Soccer Association | NSW State Cup[9] | West Wallsend (7/4) | Woonona (0/2) | Ibrox Park | 3–0[10] | |
| South Australian British Football Association | South Australian Federation Cup[11] | Lancashire (1/0) | Port Adelaide (1/3) | 4–2 (R) | ||
| Tasmanian Soccer Association | Falkinder Cup[12] | Sandy Bay (5/2) | South Hobart (5/4) | 1–0 | ||
| Anglo-Australian Football Association | Dockerty Cup[13] | Wonthaggi Magpies (1/2) | Brunswick (0/1) | 1–0 |
(Note: figures in parentheses display the club's competition record as winners/runners-up.)