| Ulvinsalo Strict Nature Reserve | |
| Iucn Category: | Ia |
| Map: | Finland |
| Relief: | 1 |
| Location: | Kainuu, Finland |
| Coordinates: | 63.9725°N 30.3744°W |
| Area Km2: | 25 |
| Established: | 1956 |
| Governing Body: | Metsähallitus |
Ulvinsalo Strict Nature Reserve (Finnish: Ulvinsalon luonnonpuisto) is located in the Kainuu region of Finland. Wild forest reindeer (Rangifer tarandus fennicus) has been living here for ages. There is a trail in the park, but using it requires a permit.