| San Martín | |
| Settlement Type: | Province |
| Subdivision Type: | Country |
| Subdivision Name: | Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | San Martín |
| Established Title: | Founded |
| Seat Type: | Capital |
| Seat: | Tarapoto |
| Leader Title: | Mayor |
| Leader Name: | Tedy Del Águila Gronerth (2019–2022) |
| Area Total Km2: | 5639.82 |
| Population Total: | 193095 |
| Population Density Km2: | auto |
| Blank Name Sec1: | UBIGEO |
| Blank Info Sec1: | 2209 |
The San Martín Province is one of 10 provinces of the San Martín Region in northern Peru.
The province is divided into fourteen districts, which are: