| José de San Martín | |
| Native Name Lang: | es |
| Settlement Type: | Town |
| Pushpin Map: | Argentina |
| Pushpin Map Caption: | Location of José de San Martín in Argentina |
| Coordinates: | -44.0167°N -98°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Argentina |
| Subdivision Type1: | Province |
| Subdivision Name1: | Chubut |
| Subdivision Type2: | Department |
| Subdivision Name2: | Tehuelches |
| Unit Pref: | Metric |
| Elevation M: | 740 |
| Population Total: | 1453 |
| Population Density Km2: | auto |
| Blank1 Name: | Climate |
| Timezone1: | ART |
| Utc Offset1: | -3 |
| Postal Code Type: | CPA base |
| Postal Code: | U9220 |
| Area Code Type: | Dialing code |
| Area Code: | +54 2945 |
José de San Martín is a town in Chubut Province, Argentina. It is the head town of the Tehuelches Department.
The town is named after José de San Martín, the Argentine General who liberated Argentina from the Spanish empire.