The 2012 Banja Luka Challenger was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Banja Luka, Bosnia and Herzegovina between 10 and 16 September 2012.
Singles main draw entrants
Seeds
1 Rankings are as of August 27, 2012.
Other entrants
The following players received wildcards into the singles main draw: Tomislav Brkić Nikola Čačić Marko Djokovic Bastian Trinker
The following players received entry from the qualifying draw: Marcin Gawron Carlos Gómez-Herrera Steven Moneke Artem Smirnov
Champions
Singles
Victor Hănescu def. Andreas Haider-Maurer, 6–4, 6–1
Doubles
Marin Draganja / Lovro Zovko def. Colin Ebelthite / Jaroslav Pospíšil, 6–1, 6–1