2017–18 in Australian soccer

The 2017–18 season was the 49th season of national competitive association football in Australia and 135rd overall.

National Premier Leagues
The finals series featured the winner of each Member Federation's league competition in the National Premier Leagues, with the overall winner qualifying directly for the 2018 FFA Cup Round of 32.

Friendlies
The following is a list of friendlies played by the men's senior national team in 2017–18.

FIFA World Cup
Australia qualified for the 2018 FIFA World Cup, their fourth successive FIFA World Cup after defeating Honduras in a two-legged playoff in November 2017. They were the thirty-first team to qualify. The draw took place in Moscow on 1 December 2017, with Australia drawn in Group C alongside France, Peru, and Denmark.

Friendlies
The following is a list of friendlies played by the Men's under 23 national team in 2017–18.

Friendlies
The following is a list of friendlies played by the men's under 20 national team in 2017–18.

Friendlies
The following is a list of friendlies played by the women's senior national team in 2017–18.

Friendlies
The following is a list of friendlies played by the women's under 20 national team in 2017–18.

Deaths

 * 2 July 2017: Billy Cook, 77, Australia and Slavia defender.
 * 31 July 2017: Les Murray, 71, commentator and journalist.
 * 31 August 2017: Mike Cockerill, 56, commentator and journalist.
 * 11 October 2017: Pat Hughes, 78, Australia and APIA midfielder.
 * 17 November 2017: Commins Menapi, 40, Solomon Islands and Sydney United forward.
 * 9 February 2018: Liam Miller, 36, Republic of Ireland, Perth Glory, Brisbane Roar and Melbourne City midfielder.
 * 7 June 2018: Cliff van Blerk, 79, Australia and APIA midfielder.

Retirements

 * 24 July 2017: Thomas Sørensen, former Denmark and Melbourne City goalkeeper.
 * 11 August 2017: Maddy Evans, former Brisbane Roar midfielder.
 * 11 February 2018: Shane Smeltz, former New Zealand, Brisbane Strikers, Adelaide City, Adelaide United, Wellington Phoenix, Gold Coast United, Perth Glory and Sydney FC striker.
 * 16 February 2018: Ashleigh Sykes, former Australia and Canberra United striker.
 * 14 April 2018: Josh Rose, former Brisbane Strikers, New Zealand Knights, Central Coast Mariners and Melbourne City defender.
 * 20 April 2018: Fahid Ben Khalfallah, former Tunisia, Melbourne Victory and Brisbane Roar winger.
 * 8 May 2018: Stephanie Ochs, former Canberra United defender.
 * 4 June 2018: Robbie Cornthwaite, former Australia, Adelaide United and Western Sydney Wanderers defender.