See main article: Eurocup Basketball 2011–12. This page describes the qualifying round for the Eurocup Basketball 2011–12.
The qualifying round consisted of one round, played in home and away series.
| Country (League) | Teams! | Teams (ranking in 2010-11 national championship) | |||
|---|---|---|---|---|---|
 Belgium (BLB) | 2 | Dexia Mons-Hainaut (3) | Telenet BC Oostende (4) | ||
| bgcolor= |  France (LNB Pro A) | 2 | Élan Chalon (5) | Le Mans Sarthe BasketWC (8) | |
| bgcolor= |  Turkey (TBL) | 2 | Pınar Karşıyaka (5) | Beşiktaş JK (6) | |
| Bulgaria (NBL) | 1 | Lukoil Academic (1) | |||
| Croatia (A-1 Liga) | 1 | Cedevita Zagreb (2) | |||
 Cyprus (Division 1) | 1 | ETHA Engomis (1) | |||
 Czech Republic (NBL) | 1 | BK Prostějov (2) | |||
 Germany (BBL) | 1 | Artland Dragons (4) | |||
| (LBL) | 1 | BK Ventspils (2) | |||
| bgcolor= |  Russia (PBL) | 1 | Spartak St. Petersburg (7) | ||
 Spain (ACB) | 1 | Gran Canaria 2014 (6) | |||
 Sweden (SBL) | 1 | Norrköping DolphinsWC (2) | |||
| bgcolor= |  Ukraine (SuperLeague) | 1 | BC Azovmash (5) | ||
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Azovmash won 153–140 on aggregate----Spartak Saint Petersburg won 143–123 on aggregate----Dexia Mons-Hainaut won 144–141 on aggregate----Cedevita Zagreb won 157–147 on aggregate----Le Mans won 160–151 on aggregate----Gran Canaria won 153–121 on aggregate----Lukoil Academic won 157–142 on aggregate----Telenet BC Oostende won 158–129 on aggregate