| 2002–03 NBL season | |
|---|---|
| League | National Basketball League |
| Sport | Basketball |
| Duration | 2 October 2002 – 23 March 2003 8 – 29 March 2003 (Finals) 3 – 6 April 2003 (Grand Finals) |
| Number of teams | 11 |
| TV partner(s) | Fox Sports |
| Regular season | |
| Top seed | Sydney Kings |
| Season MVP | Chris Williams |
| Finals | |
| Champions | Sydney Kings |
| Runners-up | Perth Wildcats |
| Finals MVP | Chris Williams |
The 2002–03 NBL season was the 25th season of competition since its establishment in 1979. A total of 11 teams contested the league.
The home and away season took place over 22 rounds between 2 October 2002 and 23 March 2003 with finals starting 8 March 2003 until 29 March 2003 and grand final on 3–6 April 2003.
(best-of-three series)
(best-of-three series)
(best-of-three series)