A total of 11 teams contested the league, the Victoria Giants has been folded.

The 2004-05 regular season took place over 21 rounds between 29 September 2004 and 20 February 2005.

Updated to match(es) played on 20 February 2005.

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 Brisbane Bullets (4-2), Melbourne Tigers (3-3) and Perth Wildcats (2-4).