Seatown is a coastal hamlet in Dorset, England, sited on the English Channel approximately 3 miles (4.8 km) westsouthwest of Bridport. It lies within the civil parish of Chideock in the West Dorset administrative district.
The coast at Seatown is part of the Jurassic Coast, a world heritage site stretching for 96 miles (154 km). The surrounding area is also designated part of the Dorset Area of Outstanding Natural Beauty. Golden Cap, the highest point on the south coast of England, lies 1 mile (1.6 km) to the west.