| Huallaga | |
| Settlement Type: | Province |
| Subdivision Type: | Country |
| Subdivision Name: | Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | San Martín |
| Established Title: | Founded |
| Seat Type: | Capital |
| Seat: | Saposoa |
| Leader Title: | Mayor |
| Area Total Km2: | 2380.85 |
| Population Total: | 27506 |
| Population Density Km2: | auto |
| Blank Name Sec1: | UBIGEO |
| Blank Info Sec1: | 2204 |
The Huallaga Province is one of ten provinces of the San Martín Region in northern Peru.