The 2002–03 NBDL season was the second for the National Basketball Development League.
The season ended with the Mobile Revelers defeating the Fayetteville Patriots 2 games to 1 to win their first and only NBDL Championship.
For the playoffs, the four teams with the best record in the league were seeded one to four.
Each round of the playoffs were played a best-of-three series.
Mobile beats Fayetteville in three games to win the championship.