| Monte Caseros | |
| Native Name Lang: | es |
| Settlement Type: | City |
| Pushpin Map: | Argentina |
| Pushpin Map Caption: | Location of Monte Caseros in Argentina |
| Coordinates: | -30.25°N -96°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Subdivision Type2: | Department |
| Subdivision Name2: | Monte Caseros |
| Leader Party: | Partido Justicialista |
| Leader Title: | Mayor |
| Leader Name: | Eduardo Leonel Galantini |
| Unit Pref: | Metric |
| Population Total: | 23,470 |
| Population As Of: | 2010 census |
| Population Density Km2: | auto |
| Timezone1: | ART |
| Utc Offset1: | -3 |
| Postal Code Type: | CPA base |
| Postal Code: | W3220 |
| Area Code Type: | Dialing code |
| Area Code: | +54 3775 |
Monte Caseros is a city in the south-east of the province of Corrientes in the Argentine Mesopotamia. It has about 37,000 inhabitants as of the . It is the head town of the department of the same name, which comprises also the municipalities of Colonia Libertad, Juan Pujol and Mocoretá.
The city lies on the west bank of the Uruguay River, opposite Bella Unión, Uruguay, about 440 km east-southeast of the provincial capital (Corrientes) and 640 km north of Buenos Aires.