1888 in Australian soccer
The 1888 season was the fifth season of regional competitive soccer in Australia and the Australian colonies. There were two league competitions fielded by Northern District British Football Association and the South British Football Soccer Association and three cup competitions.
League competitions
| Competition | Winners | Runners-up | Third place |
| Northern NSW Football League | Minmi Rangers | — | — |
| Sydney Badge Series | Caledonians | — | — |