1999–2000 NBL season

The 1999–2000 NBL season was the 22nd season of competition since its establishment in 1979. A total of 11 teams contested the league. The Newcastle Falcons folded and were replaced by the Cairns Taipans.

Regular season
The 1999-2000 regular season took place over 24 rounds between 2 October 1999 and 11 March 2000.

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.

''13-way Head-to-Head between Adelaide 36ers (3-3), Townsville Crocodiles (3-3) and Perth Wildcats (3-3). Adelaide 36ers won For and Against (+27), Townsville Crocodiles (+18), Perth Wildcats(-45). ''

''23-way Head-to-Head between Wollongong Hawks (4-2), Canberra Cannons (3-3) and Sydney Kings (2-4). ''

Elimination Finals
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Semi-finals
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Grand Final
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NBL awards

 * Most Valuable Player: Paul Rogers, Perth Wildcats
 * Rookie of the Year: Derek Moore, Sydney Kings
 * Best Defensive Player: Darnell Mee, Adelaide 36ers
 * Best Sixth Man: Ben Knight, Townsville Crocodiles
 * Most Improved Player: Andrew Goodwin, Townsville Crocodiles
 * Coach of the Year: Ian Stacker, Townsville Crocodiles