The regular season had been played between October 2018 and February 2019, followed by a post-season featuring the top four in March 2019.

Australian broadcast rights to the season are held by Fox Sports, in the fourth year of a five-year deal, with two game per week simulcast on the Nine Network.

The Perth Wildcats won their ninth NBL championship after defeating Melbourne United in the Grand Final.

As well, it featured the NBLxNBA 2018 Tour in which five NBL teams played a total of seven games.

Source: NBL.com.au The NBL tie-breaker system as outlined in the NBL Rules and Regulations states that in the case of an identical win–loss record, the overall points percentage between the teams will determine order of seeding.