| Official Name: | Las Tunas |
| Pushpin Map: | Argentina |
| Pushpin Mapsize: | 200 |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Argentina |
| Coordinates: | -31.5711°N -60.995°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Department |
| Subdivision Name1: | Santa Fe |
| Subdivision Name2: | Las Colonias |
| Established Title: | Founded |
| Established Date: | 1868 |
| Population Total: | 558 |
| Elevation M: | 31 |
| Postal Code: | S 3009 |
| Postal Code Type: | CPA Base |
| Leader Title: | Communal president |
| Leader Name: | Orlando Imhoff (PDP) |
Las Tunas is a town in the Las Colonias Department of Santa Fe Province, Argentina.[1] Founded in 1868, it is one of the oldest in the department.[2] It is located 35 kilometers from the provincial capital Santa Fe.[3]