| 2012 San Marino CEPU Open | |
|---|---|
| Date | 6 – 12 August |
| Edition | 25th |
| Location | City of San Marino, San Marino |
| Champions | |
| Singles | |
 Martin Kližan | |
| Doubles | |
 Lukáš Dlouhý / Michal Mertiňák | |
The 2012 San Marino CEPU Open was a professional tennis tournament plays on clay courts. It was the 25th edition of the tournament which is part of the Tretorn SERIE+ of the 2012 ATP Challenger Tour. It takes place in City of San Marino, San Marino between 6 and 12 August 2012.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| SVK
|
Martin Kližan | 52 | 1 |
 SLO
|
Blaž Kavčič | 76 | 2 |
 ITA
|
Filippo Volandri | 80 | 3 |
 ESP
|
Albert Montañés | 90 | 4 |
 BRA
|
Rogério Dutra da Silva | 95 | 5 |
| ITA
|
Simone Bolelli | 104 | 6 |
| ESP
|
Daniel Gimeno Traver | 108 | 7 |
| ITA
|
Potito Starace | 112 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Claudio Grassi
Guillermo Hormazábal
Miliaan Niesten
Stéphane Robert|
Main article: 2012 San Marino CEPU Open – Singles |
Martin Kližan def. Simone Bolelli, 6–3, 6–1[1]|
Main article: 2012 San Marino CEPU Open – Doubles |
Lukáš Dlouhý / Michal Mertiňák def. Stefano Ianni / Matteo Viola, 2–6, 7–6(7–3), [11–9]