The Perth Wildcats won the 2018–19 NBL championship, beating Melbourne United 3–1 in the Grand Final series. The Perth Wildcats finished top of the regular season at 18–10, so took the double; eight clubs played 28 games each.
Melo Trimble (Cairns Taipans) led the league in scoring with 22.5 points a game. Andrew Bogut led in rebounds (11.6 a game) and Nathan Sobey in assists (5.3). The season's best single-game score was Melo Trimble's 42 points for the Cairns Taipans against Melbourne United on 13 January 2019. The biggest win was the Perth Wildcats' 40-point defeat of the Illawarra Hawks, 101–61.
| # | Team | P | W | L | +/- |
|---|---|---|---|---|---|
| 1 | Perth Wildcats | 28 | 18 | 10 | +144 |
| 2 | Melbourne United | 28 | 18 | 10 | +108 |
| 3 | Sydney Kings | 28 | 18 | 10 | +58 |
| 4 | Brisbane Bullets | 28 | 14 | 14 | +23 |
| 5 | Adelaide 36ers | 28 | 14 | 14 | +6 |
| 6 | NZ Breakers | 28 | 12 | 16 | +8 |
| 7 | Illawarra Hawks | 28 | 12 | 16 | -171 |
| 8 | Cairns Taipans | 28 | 6 | 22 | -176 |
Marked: the teams that played finals. Ordered by wins, then points difference; the league's own tiebreakers aren't applied.
Perth Wildcats, who beat the Melbourne United 3–1 in the Grand Final series.
The Perth Wildcats, with a 18–10 record in the regular season.
Melo Trimble, with 22.5 points a game over 28 games.
Every champion since 1979: NBL champions. All seasons on file: the NBL archive.