A total of 10 teams contested the league.
The 2008-09 regular season took place over 22 rounds between 13 September 2008 and 14 February 2009.
Updated to match(es) played on 14 February 2009.
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 results in games played between the teams will determine order of seeding.
23-way Head-to-Head between Wollongong Hawks (5-2), Sydney Spirit (3-4) and Cairns Taipans (2-4).