1991 NBL season

The 1991 NBL season was the 13th season of competition since its establishment in 1979. A total of 14 teams contested the league.

Regular season
The 1991 regular season took place over 24 rounds between 6 April 1991 and 22 September 1991.

1991 saw Melbourne Tigers superstar Andrew Gaze became the first player to score 1,000 points in an NBL regular season. He scored 1,007 points in 26 games at 38.7 points per game. For his efforts he was awarded the first of what would eventually become a league record seven NBL Most Valuable Player awards as well as his 6th straight selection to the All NBL team.

Round 1
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Round 2
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Round 3
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Round 4
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Round 5
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Round 6
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Round 7
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Round 8
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Round 9
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Round 10
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Round 11
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Round 12
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Round 13
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Round 14
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Round 15
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Round 16
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Round 17
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Round 18
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Round 19
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Round 20
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Round 21
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Round 22
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Round 23
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Round 24
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Ladder
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 Eastside Spectres and Geelong Supercats (1-1). Eastside Spectres won For and Against(+1). ''

''23-way Head-to-Head between Adelaide 36ers (3-1), Melbourne Tigers (2-2) and North Melbourne Giants (1-3). ''

''3Head-to-Head between Sydney Kings and Gold Coast Cougars (1-1). Sydney Kings won For and Against (+8). ''

''4Head-to-Head between Canberra Cannons and Southern Melbourne Saints (1-1). Canberra Cannons won For and Against (+44). ''

Playoff bracket
There were two best of three Elimination finals, two best of three semifinals, and then best of three grand final series. All three of these finals were sudden death.

Elimination Finals
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Semifinals
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Grand Final
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NBL awards

 * Most Valuable Player: Andrew Gaze, Melbourne Tigers
 * Most Valuable Player Grand Final: Pete Hansen, Perth Wildcats
 * Best Defensive Player: Terry Dozier, Geelong Supercats
 * Most Improved Player: Andrew Parkinson, Southern Melbourne Saints
 * Rookie of the Year: Andrew Vlahov, Perth Wildcats
 * Coach of the Year: Murray Arnold, Perth Wildcats