| Marcos Galarza | |
| Fullname: | Marcos Adrián Galarza |
| Height: | 1.80NaN0 |
| Birth Date: | 3 April 1984 |
| Birth Place: | Morón, Argentina |
| Position: | Right back |
| Years1: | 2002–2009 |
| Years2: | 2009 |
| Years3: | 2010–2014 |
| Years4: | 2012–2013 |
| Years5: | 2014–2015 |
| Clubs3: | San Martín de San Juan |
| Clubs4: | → Banfield (loan) |
| Clubs5: | Nueva Chicago |
| Caps1: | 126 |
| Caps2: | 8 |
| Caps3: | 55 |
| Caps4: | 19 |
| Caps5: | 45 |
| Goals1: | 5 |
| Goals2: | 0 |
| Goals3: | 1 |
| Goals4: | 0 |
| Goals5: | 0 |
| Nationalyears1: | 2003 |
| Nationalteam1: | Argentina U-20 |
| Nationalcaps1: | 4 |
| Nationalgoals1: | 1 |
Marcos Adrián Galarza (born 3 April 1984 in Morón, Buenos Aires) is an Argentine retired football defender.
Galarza made his professional debut for Banfield in 2002. He went on to make over 100 appearances for the club. in 2003 he was part of the Argentina squad that won the Pan American Games football tournament.