| Marvin Grumann | |
| Birth Date: | 23 June 1993 |
| Birth Place: | Borken, Germany |
| Height: | 1.79 m |
| Position: | Attacking midfielder |
| Currentclub: | SV Schermbeck |
| Clubnumber: | 23 |
| Youthyears1: | 1997–2007 |
| Youthclubs1: | SV Schermbeck |
| Youthyears2: | 2007–2011 |
| Youthclubs2: | Schalke 04 |
| Youthyears3: | 2012–2013 |
| Youthclubs3: | Rot-Weiß Oberhausen |
| Years1: | 2011–2014 |
| Caps1: | 8 |
| Goals1: | 0 |
| Clubs1: | Rot-Weiß Oberhausen |
| Years2: | 2012–2014 |
| Caps2: | 44 |
| Goals2: | 5 |
| Clubs2: | → Rot-Weiß Oberhausen II |
| Years3: | 2014–2016 |
| Caps3: | 37 |
| Goals3: | 3 |
| Clubs3: | FC Kray |
| Years4: | 2016–2017 |
| Caps4: | 23 |
| Goals4: | 0 |
| Clubs4: | SSVg Velbert |
| Years5: | 2017–2022 |
| Clubs5: | SG Welper |
| Years6: | 2022– |
| Caps6: | 2 |
| Goals6: | 0 |
| Clubs6: | SV Schermbeck |
| Club-Update: | 13 November 2022 |
Marvin Grumann (born 23 June 1993) is a German professional footballer who plays as an attacking midfielder for SV Schermbeck.