The 2021–22 Australian Baseball League season was to be the twelfth season of the Australian Baseball League (ABL). The regular season was to be held from to .
For the second consecutive season, the league was to be temporarily reduced to six teams, with Geelong-Korea and Auckland Tuatara impacted by international travel affected by the COVID-19 pandemic. Due to the impact of local COVID-19 restrictions, it was announced that the start of the season would be delayed to late-December. However on 22 October 2021, it was announced that the season had been cancelled in full due to COVID-19 interstate travel restrictions and lockdowns.
Teams
Regular season
The season was to include a 40 game schedule, consisting of ten series, with each team playing a four game home and away series against each other.
Baxter Field was previously announced to be hosting the first Australian Baseball League All-Star Game since 2017.
Scheduled doubleheaders consist of a seven inning game followed by a nine inning game. The league uses the WBSC tiebreaker rule for all games going beyond the 9th inning, or extra innings beginning less than one hour to a curfew.