| Marcos Ovejero | |
| Fullname: | Marcos Ovejero |
| Birth Date: | 23 November 1986 |
| Birth Place: | La Plata, Argentina |
| Height: | 1.7m |
| Position: | Forward |
| Currentclub: | Always Ready |
| Clubnumber: | 61 |
| Youthyears1: | 2005–2009 |
| Youthclubs1: | Caracas |
| Years1: | 2008–2010 |
| Years2: | 2008 |
| Clubs2: | independiente Rivadavia (loan) |
| Goals2: | 0 |
| Years3: | 2009 |
| Clubs3: | → Defensores de Belgrano (loan) |
| Years4: | 2010 |
| Years5: | 2010 |
| Clubs5: | Flandria |
| Years6: | 2011 |
| Clubs6: | Guabirá |
| Years7: | 2011–2012 |
| Clubs7: | Universitario |
| Years8: | 2012–2013 |
| Years9: | 2013–2017 |
| Clubs9: | Sport Boys |
| Caps9: | 67 |
| Goals9: | 22 |
| Years10: | 2017 |
| Caps10: | 0 |
| Goals10: | 0 |
| Years11: | 2018–2022 |
| Caps11: | 91 |
| Goals11: | 34 |
| Years12: | 2022 |
| Caps12: | 13 |
| Goals12: | 5 |
| Years13: | 2022 |
| Caps13: | 21 |
| Goals13: | 8 |
| Years14: | 2023–2024 |
| Years15: | 2024– |
| Caps15: | 4 |
| Goals15: | 0 |
| Club-Update: | 02:31, 03 April 2021 (UTC). |
| Nationalteam-Update: | 12:55, 09 June 2017 (UTC) |
Marcos Ovejero (born November 23, 1986, in La Plata, Argentina) is an Argentine footballer currently playing for Always Ready of the Primera División in Bolivia.