2010–11 Eurocup Basketball was the ninth edition of Europe's second-tier level transnational competition for men's professional basketball clubs, the EuroCup.

It began with qualifying round matches on September 29, 2010, and ended on April 16-17, 2011, with the 2010–11 Eurocup Finals, which was played at the Arena Palaverde, in Treviso.

The Regular Season ran from November 16, 2010 to December 21, 2010.

If teams were level on record at the end of the Regular Season, tiebreakers were applied in the following order: The quarterfinals were two-legged ties determined on aggregate score.

The group winner in each tie, listed as "Team #1", hosted the second leg.