| Rioja | |
| Settlement Type: | Province |
| Subdivision Type: | Country |
| Subdivision Name: | Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | San Martín |
| Established Title: | Founded |
| Seat Type: | Capital |
| Seat: | Rioja |
| Leader Title: | Mayor |
| Area Total Km2: | 2535.04 |
| Population Total: | 92.222 |
| Population Footnotes: | |
| Population Density Km2: | auto |
| Blank Name Sec1: | UBIGEO |
| Blank Info Sec1: | 2208 |
The Rioja Province is one of ten provinces of the San Martín Region in northern Peru.
The province is bordered to the north and east by the Moyobamba Province and to the south and west by the Amazonas Region.The province has a population of 90,000 inhabitants. Its capital is Rioja. The area of the province is 2535.04km2.
The province is divided into nine districts.