The regular season began on 10 February and ended on 18 June.
The 1983 regular season took place over 18 rounds between 10 February 1983 and 18 June 1983.
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.
1Head-to-Head between Coburg Giants and Newcastle Falcons (1-1).
2Head-to-Head between St. Kilda Saints and Bankstown Bruins (1-1).