| Sequim Bay State Park | |
| Map: | USA Washington#USA |
| Map Size: | 280 |
| Relief: | 1 |
| Location: | Clallam, Washington, United States |
| Coordinates: | 48.0406°N -123.0306°W |
| Area Acre: | 92 |
| Elevation: | 108feet |
| Established: | 1936 |
| Operator: | Washington State Parks and Recreation Commission |
| Website: | Sequim Bay State Park |
Sequim Bay State Park is a public recreation area covering on the shore of Sequim Bay, on the Puget Sound side of the Olympic Peninsula in Clallam County, Washington. The state park sits within the Sequim rain shadow, has over of shoreline and offers picnicking, camping, hiking, boating, swimming, clam digging, crabbing, athletic fields, beachcombing, birdwatching, interpretive activities, and horseshoes.