| Official Name: | San Jerónimo del Sauce |
| Pushpin Map: | Argentina |
| Pushpin Mapsize: | 200 |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Argentina |
| Coordinates: | -31.6109°N -61.1424°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Department |
| Subdivision Name1: | Santa Fe |
| Subdivision Name2: | Las Colonias |
| Established Title: | Founded |
| Established Date: | 1825 |
| Population Total: | 947 |
| Area Code: | 03404 |
| Postal Code: | S 3009 |
| Postal Code Type: | CPA Base |
| Leader Title: | Communal president |
| Leader Name: | Daniel Rios |
| Area Total Km2: | 180 |
San Jerónimo del Sauce is a town in the Las Colonias Department of Santa Fe Province, Argentina.[1] [2]