| 2015 Marburg Open | |
|---|---|
| Date | 29 June – 5 July |
| Edition | 6th |
| Draw | 32S / 16D |
| Prize money | €42,500+H |
| Surface | Clay |
| Location | Marburg, Germany |
| Champions | |
| Singles | |
 Íñigo Cervantes | |
| Doubles | |
 Wesley Koolhof / Matwé Middelkoop | |
The 2015 Marburg Open was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Marburg, Germany between 29 June and 5 July 2015.