| Birth Date: | 3 September 1990 |
| Birth Place: | Salzburg, Austria |
| Height: | 1.74 m |
| Position: | Defender |
| Currentclub: | Phönix Lübeck |
| Clubnumber: | 24 |
| Youthyears1: | 1997–2004 |
| Youthclubs1: | SV Bürmoos |
| Youthyears2: | 2005–2008 |
| Youthclubs2: | Red Bull Salzburg |
| Years1: | 2008–2011 |
| Clubs1: | RB Salzburg Juniors |
| Caps1: | 44 |
| Goals1: | 2 |
| Years2: | 2010 |
| Clubs2: | → Bayern Munich II (loan) |
| Caps2: | 9 |
| Goals2: | 1 |
| Years3: | 2011 |
| Clubs3: | → FC Lustenau (loan) |
| Caps3: | 15 |
| Goals3: | 0 |
| Years4: | 2011–2012 |
| Clubs4: | FC Lustenau |
| Caps4: | 31 |
| Goals4: | 2 |
| Years5: | 2012–2017 |
| Clubs5: | St. Pölten |
| Caps5: | 107 |
| Goals5: | 6 |
| Years6: | 2017–2018 |
| Clubs6: | Admira Wacker |
| Caps6: | 13 |
| Goals6: | 0 |
| Years7: | 2019–2021 |
| Clubs7: | Botoșani |
| Caps7: | 35 |
| Goals7: | 1 |
| Years8: | 2021–2022 |
| Clubs8: | Academica Clinceni |
| Caps8: | 23 |
| Goals8: | 2 |
| Years9: | 2022– |
| Clubs9: | Phönix Lübeck |
| Caps9: | 2 |
| Goals9: | 1 |
| Nationalyears1: | 2010–2011 |
| Nationalteam1: | Austria U21 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Club-Update: | 3 October 2022 |
Marcel Holzmann (born 3 September 1990) is an Austrian professional footballer who plays as a defender for German club Phönix Lübeck. [1] In his career, Holzmann also played for teams such as Red Bull Salzburg Juniors, FC Lustenau, St. Pölten or FC Botoșani, among others.