Regular season
The 1998 regular season took place over 19 rounds between 30 January 1998 and 9 June 1998.Round 1
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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. ''1Brisbane Bullets won Head-to-Head (2-1). '' ''2Wollongong Hawks won Head-to-Head (2-1). '' ''3North Melbourne Giants won Head-to-Head (2-1). ''Finals
Playoff bracket
Elimination Finals
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NBL awards
*Most Valuable Player:All NBL Team
{{DEFAULTSORT:1998 NBL season NBL