| Marcos Paz Partido | |
| Native Name: | Partido de Marcos Paz |
| Settlement Type: | Department |
| Subdivision Type: | Country |
| Subdivision Name: | Argentina |
| Established Title: | Established |
| Established Date: | October 25, 1878 |
| Founder: | provincial law 1244 |
| Seat Type: | Seat |
| Seat: | Marcos Paz |
| Leader Party: | PV |
| Leader Title: | Mayor |
| Leader Name: | Ricardo Pedro Curutchet |
| Unit Pref: | Metric |
| Area Total Km2: | 470 |
| Population Total: | 43400 |
| Population Density Km2: | auto |
| Population Demonym: | marcospacense |
| Postal Code Type: | Postal Code |
| Postal Code: | B1727 |
| Postal2 Code Type: | IFAM |
| Postal2 Code: | BUE080 |
| Area Code Type: | Area Code |
| Area Code: | 0220 |
Marcos Paz is a partido in the Argentine province of Buenos Aires. Its capital city is Marcos Paz.
Established on 25 October 1878 (provincial law 1244), Marcos Paz is at the eastern border of Greater Buenos Aires with the rest of the province, although in an administrative sense, it is not considered part of the metropolitan area.
According to the 2001 INDEC National Census, the partido has 43,400 inhabitants, and a population density of . Marcos Paz's mayor is Ricardo Pedro Curuchet, of the local Partido Vecinalista.
The town of Marcos Paz, which gives its name to the partido, gradually built up around a train station, Estación Coronel Doctor Marcos Paz. The station was named after Coronel Doctor Marcos Paz, an Argentine politician and vice president to Bartolomé Mitre in 1862.
Ricardo Curutchet: Affiliated with the UCR, was mayor of Marcos Paz in 2003 with an alliance of parties called "Coalition for Marcos Paz". Government since then in coalition with other forces such as the UCR, the Frente Grande, Peronist sectors, the kichnerismo, Encuentro Popular, independent sectors and progressive neighborhood. Was reelected in 2007 and 2011, reinforcing the Coalition for Marcos paz as a political base of your project.