| Date: | 14 – 22 July |
| Edition: | 9th |
| Draw: | 32S/23Q/16D |
| Prize Money: | €30,000+H |
| Surface: | Clay |
| Location: | Poznań, Poland |
| Venue: | Park Tenisowy Olimpia |
| Champs: |  Jerzy Janowicz |
| Before Name: | Poznań Porsche Open |
The 2012 Poznań Open was a professional tennis tournament played on clay courts. It was the ninth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place at the Park Tenisowy Olimpia in Poznań, Poland from 14 to 22 July 2012, including the qualifying competition in the first two days.
| Country | Player | Rank[1] | Seed | |
|---|---|---|---|---|
| Poland | Jerzy Janowicz | 109 | 1 | |
 France | Éric Prodon | 121 | 2 | |
 Spain | Iñigo Cervantes Huegun | 133 | 3 | |
| France | Guillaume Rufin | 142 | 4 | |
| France | Jonathan Dasnières de Veigy | 152 | 5 | |
 Argentina | Martín Alund | 153 | 6 | |
 Austria | Andreas Haider-Maurer | 159 | 7 | |
| Spain | Arnau Brugués-Davi | 171 | 8 |
The following players received wildcards into the singles main draw:[2]
Piotr Gadomski Andriej Kapaś Michał Przysiężny Maciej SmołaThe following players received entry from the qualifying draw:
Marcin Gawron Grzegorz Panfil
Patrik Rosenholm Michael Ryderstedt| Country | Player | Country | Player | Rank | Seed | |
|---|---|---|---|---|---|---|
| Poland | Tomasz Bednarek | Poland | Mateusz Kowalczyk | 225 | 1 | |
 Australia | Rameez Junaid | Simon Stadler | 313 | 2 | ||
 Romania | Andrei Dăescu | Romania | Florin Mergea | 325 | 3 | |
| Spain | Arnau Brugués-Davi | Spain | Gerard Granollers | 422 | 4 |
The following pairs received wildcards into the doubles main draw:
Igor Bujdo / Mikołaj Jędruszczak Adam Chadaj / Michał Przysiężny Piotr Gadomski / Maciej SmołaSee main article: 2012 Poznań Open – Singles. Jerzy Janowicz def. Jonathan Dasnières de Veigy, 6–3, 6–3
See main article: 2012 Poznań Open – Doubles. Rameez Junaid / Simon Stadler def. Adam Hubble / Nima Roshan, 6–3, 6–4