| San Carlos, Antioquia | |
| Settlement Type: | Municipality and town |
| Mapsize: | 250px |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Colombia |
| Subdivision Type: | Country |
| Subdivision Type1: | Department |
| Subdivision Name1: | Antioquia Department |
| Subdivision Type2: | Subregion |
| Subdivision Name2: | Eastern |
| Area Footnotes: | [1] |
| Area Total Km2: | 702 |
| Population As Of: | Census 2018[2] |
| Population Total: | 14480 |
| Population Density Km2: | auto |
| Timezone: | Colombia Standard Time |
| Utc Offset: | -5 |
San Carlos is a town and municipality in the Colombian department of Antioquia, part of the subregion of Eastern Antioquia. It is called the hydro-electrical capital of Colombia, because it has many dams and it produces much energy. The population was 14,480 at the 2018 census.
The site of the town was discovered by Captain Francisco Nuñez Pedroso. The town was founded on 14 August 1786.
The municipal area is 702 km². It has three corregimientos, El Jordán, Puerto Garzas and Samaná del Norte.
San Carlos is three hours away from the departmental capital, Medellín. The two are linked by a road.