The Sydney Kings won the 2022–23 NBL championship, beating the NZ Breakers 3–2 in the Grand Final series. The Sydney Kings finished top of the regular season at 19–9, so took the double; ten clubs played 28 games each.
Mitchell Creek (South East Melbourne Phoenix) led the league in scoring with 23.4 points a game. Alan Williams led in rebounds (9.9 a game) and Gary Browne in assists (6.5). The season's best single-game score was Mitchell Creek's 46 points for the South East Melbourne Phoenix against the Sydney Kings on 18 December 2022. The biggest win was the Sydney Kings' 49-point defeat of the Brisbane Bullets, 116–67.
| # | Team | P | W | L | +/- |
|---|---|---|---|---|---|
| 1 | Sydney Kings | 28 | 19 | 9 | +211 |
| 2 | NZ Breakers | 28 | 18 | 10 | +177 |
| 3 | Cairns Taipans | 28 | 18 | 10 | +79 |
| 4 | Tasmania JackJumpers | 28 | 16 | 12 | +80 |
| 5 | South East Melbourne Phoenix | 28 | 15 | 13 | +41 |
| 6 | Perth Wildcats | 28 | 15 | 13 | +12 |
| 7 | Melbourne United | 28 | 15 | 13 | +10 |
| 8 | Adelaide 36ers | 28 | 13 | 15 | -51 |
| 9 | Brisbane Bullets | 28 | 8 | 20 | -235 |
| 10 | Illawarra Hawks | 28 | 3 | 25 | -324 |
Marked: the teams that played finals. Ordered by wins, then points difference; the league's own tiebreakers aren't applied.
Sydney Kings, who beat the NZ Breakers 3–2 in the Grand Final series.
The Sydney Kings, with a 19–9 record in the regular season.
Mitchell Creek, with 23.4 points a game over 29 games.
Every champion since 1979: NBL champions. All seasons on file: the NBL archive.