The 2002–03 FIBA Europe Regional Challenge Cup was the one-season international European competition for men's professional basketball clubs, organised by FIBA.

[1] Although it was marketed at the time by FIBA as the 2nd-tier level European club basketball tournament,[2] most would consider it Europe's 4th-tier level competition, after the Euroleague, ULEB Cup and the FIBA Europe Champions Cup.

[3] The winner of the play-offs qualified for the FIBA Europe Regional Challenge Cup Final Four.

The winner of the play-offs qualified for the FIBA Europe Regional Challenge Cup Final Four.

FIBA Europe Regional Challenge Cup: North Conference: Volodymyr Gurtovyy, Andriy Kapinos, Andriy Botichev, Oleksandr Skutyelnik, Igor Kharchenko, Sergiy Moskalenko, Petro Podtykan, Yevhenii Annienkov, Dmytro Briantsev (Head Coach: Andrij Podkovyrov)[5] South Conference: Dimitris Prokopiou, Marcos Asonitis, Georgios Kouzapas, Michalis Kounounis, Davor Kurilic, Konstantinos Perentos, Ranko Velimirovic, David Michael Van Dyke, Christos Spyrou, Duane Woodward (Head Coach: Dragan Raca).