| Marcel Hagmann | |
| Height: | 1.84 m[1] |
| Birth Date: | 7 January 1983 |
| Birth Place: | Gießen, West Germany |
| Position: | Defender |
| Youthclubs1: | TSV Großen-Linden |
| Youthclubs2: | TSV Klein-Linden |
| Years1: | –2002 |
| Clubs1: | Eintracht Frankfurt II |
| Years2: | 2002–2003 |
| Clubs2: | 1. FC Saarbrücken II |
| Years3: | 2003–2005 |
| Clubs3: | SV Arminia Hannover |
| Years4: | 2005–2007 |
| Clubs4: | SV Wilhelmshaven |
| Caps4: | 57 |
| Goals4: | 7 |
| Years5: | 2007–2009 |
| Clubs5: | FC Ingolstadt |
| Caps5: | 27 |
| Goals5: | 0 |
| Years6: | 2009–2010 |
| Clubs6: | Jahn Regensburg |
| Caps6: | 32 |
| Goals6: | 2 |
| Years7: | 2010–2015 |
| Clubs7: | FC Ingolstadt II |
Marcel Hagmann (born 7 January 1983) is a German former professional footballer who played as a defender.
Hagmann made his debut on the professional league level in the 2. Bundesliga for FC Ingolstadt 04 on 28 October 2008 when he started a game against SV Wehen Wiesbaden.