| Marcos Melgarejo | |
| Fullname: | Marcos Benjamín Melgarejo Martínez |
| Birth Date: | 3 October 1986 |
| Birth Place: | Asunción, Paraguay |
| Height: | 1.79 m |
| Position: | Midfielder |
| Currentclub: | Deportivo Capiatá |
| Clubnumber: | 14 |
| Years1: | 2008–2011 |
| Clubs1: | Nacional Asunción |
| Caps1: | 145 |
| Goals1: | 22 |
| Years2: | 2012 |
| Clubs2: | Libertad |
| Caps2: | 7 |
| Goals2: | 0 |
| Years3: | 2012–2015 |
| Clubs3: | Nacional Asunción |
| Caps3: | 110 |
| Goals3: | 24 |
| Years4: | 2016 |
| Clubs4: | Deportes Tolima |
| Caps4: | 10 |
| Goals4: | 0 |
| Years5: | 2016 |
| Clubs5: | Sol de América |
| Caps5: | 11 |
| Goals5: | 0 |
| Years6: | 2018 |
| Clubs6: | Deportivo Capiatá |
| Caps6: | 6 |
| Goals6: | 0 |
| Years7: | 2018 |
| Clubs7: | Sportivo Trinidense |
| Caps7: | ? |
| Goals7: | ? |
| Years8: | 2019– |
| Clubs8: | Independiente Campo Grande |
| Caps8: | ? |
| Goals8: | ? |
| Nationalyears1: | 2009–2011 |
| Nationalteam1: | Paraguay |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 0 |
| Club-Update: | 4 April 2018 |
Marcos Benjamín Melgarejo Martínez (born 3 October 1986) is a Paraguayan international footballer who plays for Independiente Campo Grande as a midfielder.
Born in Asunción, Melgarejo has played football for Nacional and Libertad.
He made his international debut for Paraguay in 2009.