List of Western United FC seasons

Western United Football Club is an Australian professional association football club based in Truganina, Melbourne. The club was formed in 2017 as Western Melbourne before it was shortly renamed to Western United. They became the third Victorian member admitted into the A-League in 2019.

Key
Key to league competitions:


 * A-League Men (A-League/A-League Men) – Australia's top football league, established in 2004

Key to colours and symbols:

Key to league record:
 * Season = The year and article of the season
 * Pos = Final position
 * Pld = Games played
 * W = Games won
 * D = Games drawn
 * L = Games lost
 * GF = Goals scored
 * GA = Goals against
 * Pts = Points

Key to cup record:
 * En-dash (–) = Western United did not participate
 * DNQ = The club did not qualify for a competition.
 * Group = Group stage
 * R32 = Round of 32
 * R16 = Round of 16
 * QF = Quarter-finals
 * SF = Semi-finals
 * RU = Runners-up
 * W = Winners