| Griffiths-Priday State Park | |
| Map: | USA Washington#USA |
| Relief: | 1 |
| Location: | Grays Harbor, Washington, United States |
| Coordinates: | 47.1303°N -124.1775°W |
| Area Acre: | 364 |
| Elevation: | 75feet |
| Established: | Unspecified |
| Operator: | Washington State Parks and Recreation Commission |
| Website: | Griffiths-Priday State Park |
Griffiths-Priday State Park (formerly Griffiths-Priday Ocean State Park) is a 364acres state-operated, public recreation area at the mouth of the Copalis River on the Pacific Ocean in Grays Harbor County, Washington. The park has beach, low dunes, and of ocean shoreline plus of freshwater river shoreline along both the Copalis River and the adjacent Connor Creek. The park includes the Copalis Spit, a small peninsula that serves as refuge for migratory birds. Park activities include picnicking, fishing, clam digging, beachcombing, birdwatching, mountain biking, and wildlife viewing, including migratory gray whales.