The 2014–15 EuroChallenge was the 12th and last edition of Europe's third-tier level transnational competition for men's professional basketball clubs.

The season ended on 26 April 2015, when JSF Nanterre beat Trabzonspor Medical Park 63–64 in the Final in Trabzon, Turkey.

The 32 clubs registered for this year's competition were divided into two conferences (1 and 2), based on broad geographical criteria.

[3] Port of Antwerp Giants Okapi Aalstar Joensuun Kataja Södertälje Kings KTP-Basket Bakken Bears Belfius Mons-Hainaut SPM Shoeters JSF Nanterre Le Mans Sarthe ratiopharm Ulm Fraport Skyliners Enel Brindisi Angelico Biella Borås Basket Benfica Tsmoki-Minsk Tartu Ülikool/Rock Tofaş Atomerőmű Enisey Krasnoyarsk CSM Oradea Körmend U Mobitelco Cluj Avtodor Uşak Sportif Trabzonspor Medical Park Energia Târgu Jiu UBC Güssing Knights Lukoil Academic Šiauliai Astana The 32 teams are drawn into eight groups of four.

[5] Each round a Weekly MVP is chosen, determined by the Performance Index Rating (PIR) system.