1912 in Australian soccer

!rowspan="2" style="width:10em" |Federation

!rowspan="2" style="width:10em" |Competition{{cite web|last=Kungler|first=Peter|title=Australia - List of Regional Champions|website=RSSSF|url=https://www.rsssf.org/tablesa/aus-regchamp.html|accessdate=3 July 2021}}

!colspan="3" scope="col" |Grand Final

!colspan="3" |Regular Season

|align="center"|Northern NSW Football League{{cite web|title=Northern New South Wales Champions|url=http://www.socceraust.co.uk/NNSW/Champions/nnswnplchampions.htm|publisher=Socceraust|accessdate=5 July 2021}}

|align="center"|Cessnock

|align="center"|1–0

|align="center"|West Wallsend

|align="center"|Cessnock

|align="center"|West Wallsend

|align="center"|Adamstown Rosebud

|align="center"|Sydney Metropolitan First Division{{cite web|title=New South Wales Champions|url=http://www.socceraust.co.uk/NSW/Champions/premier1.htm|publisher=Socceraust|accessdate=5 July 2021}}

|align="center"|Sydney

|align="center"|1–0

|align="center"|Balmain

|align="center"|Balmain

|align="center"|Sydney

|align="center"|Glebe

|align="center"|Brisbane Area League{{cite web|title=Queensland (Brisbane Zone) Champions|url=http://www.socceraust.co.uk/QLD/Champions/QLDPLChampions.htm|publisher=Socceraust|accessdate=5 July 2021}}

|colspan="3" align="center"|Unknown

|align="center"|Blackstone Rovers

|align="center"|Bulimba Rangers

|align="center"|Unknown

|align="center"|South Australia Division One{{cite web|url=http://www.socceraust.co.uk/SA/Champions/npl.htm|title=South Australia Champions|publisher=Socceraust|accessdate=5 October 2021}}

|colspan="3" align="center"|Not played

|align="center"|Port Adelaide

|align="center"|Adelaide

|align="center"|Hindmarsh

|align="center"|Victorian Amateur League{{cite web|url=http://www.socceraust.co.uk/VIC/Champions/npl.htm|title=Victoria Division One Champions|publisher=Socceraust|accessdate=5 October 2021}}

|colspan="3" align="center"|Not played

|align="center"|Williamstown-Yarraville

|align="center"|Burns

|align="center"|Carlton United

|align="center"|Western Australia Division One{{cite web|title=Western Australia Champions|url=http://www.socceraust.co.uk/WA/Champions/npl.htm|publisher=Socceraust|accessdate=5 July 2021}}

|colspan="3" align="center"|Not played

|align="center"|Claremont

|align="center"|Fremantle

|align="center"|City United

! style="width:10em" |Federation

! style="width:10em" |Competition{{cite web|title=Australia – List of Regional Cup Winners|website=RSSSF|url=https://www.rsssf.org/tablesa/aus-regcuphist.html|accessdate=18 June 2021}}

! style="width:10em" |Winners

! style="width:15em" |Runners-up

! style="width:15em" |Venue

! style="width:10em" |Result

|align="center"|Ellis Challenge Cup{{cite web|title=Northern New South Wales Cup Winners|url=http://www.socceraust.co.uk/NNSW/Champions/ellis.htm|publisher=Socceraust|accessdate=5 July 2021}}

|align="center"|Cessnock

|align="center"|West Wallsend Bluebells

|align="center"|–

|align="center"|1–0 (R)

|align="center"|Gardiner Challenge Cup{{cite web|title=New South Wales State Championship Winners|url=http://www.socceraust.co.uk/NSW/Champions/gardinercup.htm|publisher=Socceraust|accessdate=5 July 2021}}

|align="center"|Balmain (5/0)

|align="center"|Sydney (0/1)

|align="center"|–

|align="center"|1–0

|align="center"|South Australia Federation Cup{{cite web|title=South Australia Federation Cup Finals|url=http://www.socceraust.co.uk/SA/Champions/SACupWinners.htm|publisher=Socceraust|accessdate=10 March 2022}}

|align="center"|Adelaide (1/0)

|align="center"|Tandanya (0/1)

|align="center"|–

|align="center"|2–1

|align="center"|Dockerty Cup{{cite web|title=Dockerty Cup Finals|url=http://www.socceraust.co.uk/VIC/Champions/dockertycup.htm|publisher=Socceraust|accessdate=10 March 2022}}

|align="center"|Yarraville (2/1)

|align="center"|Wonthaggi Rangers (0/1)

|align="center"|–

|align="center"|4–3