Marius Pena
| Personal information | |||
|---|---|---|---|
| Full name | Marius George Pena | ||
| Date of birth | 2 May 1985 | ||
| Place of birth | Bucharest, Romania | ||
| Height | 1.83 m (6 ft 0 in) | ||
| Position(s) | Forward | ||
| Team information | |||
Current team  | Concordia Chiajna (assistant) | ||
| Youth career | |||
| –2002 | Național București | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) | 
| 2002 | Național București | 2 | (1) | 
| 2003 | Torpedo-2 Moscow | 5 | (0) | 
| 2004 | Steaua II București | ||
| 2005 | Rapid II București | 24 | (6) | 
| 2006 | CSM Râmnicu Vâlcea | 14 | (1) | 
| 2006–2008 | Concordia Chiajna | 31 | (17) | 
| 2008–2013 | Oțelul Galați | 127 | (26) | 
| 2013–2014 | Baku | 30 | (6) | 
| 2014–2018 | Concordia Chiajna | 120 | (11) | 
| 2019–2022 | Progresul 05 București | ||
| Total | 353 | (67) | |
| Managerial career | |||
| 2024– | Concordia Chiajna (assistant) | ||
| *Club domestic league appearances and goals | |||
Marius George Pena (born 2 May 1985) is a former Romanian footballer who played as a forward, currently assistant coach at Liga II club Concordia Chiajna.