| Birth Date: | 9 April 1993[1] |
| Birth Place: | Henstedt-Ulzburg, Germany |
| Position: | Striker |
| Currentclub: | VfB Oldenburg |
| Clubnumber: | 8 |
| Youthclubs1: | Heidmühler FC |
| Youthyears2: | –2008 |
| Youthclubs2: | Werder Bremen |
| Youthyears3: | 2008–2010 |
| Youthclubs3: | VfB Oldenburg |
| Youthyears4: | 2010–2011 |
| Youthclubs4: | Rot-Weiss Erfurt |
| Years1: | 2011–2013 |
| Clubs1: | Rot-Weiss Erfurt |
| Caps1: | 15 |
| Goals1: | 0 |
| Years2: | 2013–2014 |
| Clubs2: | Alemannia Aachen |
| Caps2: | 5 |
| Goals2: | 0 |
| Years3: | 2014– |
| Clubs3: | VfB Oldenburg |
| Caps3: | 5 |
| Goals3: | 0 |
| Club-Update: | 19 March 2015 |
Tobias Ahrens (born April 9, 1993) is a German footballer who plays for VfB Oldenburg.
Ahrens played as a youth for VfB Oldenburg and Werder Bremen before joining Rot-Weiss Erfurt in 2010. He made his debut for the club in October 2011, as a substitute for Gaetano Manno in a 3–3 draw with Wacker Burghausen. In July 2013 he signed for Alemannia Aachen before returning to VfB Oldenburg a year later.