2021–22 NBL regular season

The regular season of the 2021–22 NBL season, the 44th season of the National Basketball League (Australia), started on 3 December 2021, with ten teams participating. It consisted of 140 games spread across 21 rounds, with the final game being played on 24 April 2022.

On 24 April 2022, Melbourne United claimed their 6th regular season championship.