The 2013–14 EuroChallenge was the 11th edition of Europe's third-tier level transnational competition for men's professional basketball clubs. The winner and the runner-up of this competition earned a place at the group stage of the 2014–15 Eurocup season.
This year's EuroChallenge saw a number of innovations, including the division of the participating clubs into two main Conferences for the Regular Season - Conference 1 and Conference 2 - based on a broad geographical criteria. This year no qualification round was held. The 32 teams were divided into eight round-robin groups of four teams each for the regular season. The two best-placed teams qualified to the next phase of the competition.
The draws for the 2013–14 FIBA EuroChallenge were held on Friday, July 5 in Munich, Germany. Teams were seeded into four pots of four teams in accordance with the FIBA Club ranking, based on their performance in European competitions during a three-year period.
The 32 clubs registered for this year's competition were divided into two conferences (1 and 2), based on broad geographical criteria.