Derby Wharf Light Station is a historic lighthouse on Derby Wharf in Salem, Massachusetts that is within the Salem Maritime National Historic Site. It was built in 1871 and added to the National Register of Historic Places in 1987. The United States Coast Guard Light List description is "White square tower.

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Location: Salem, Massachusetts Coordinates: 42°30′59.6″N 70°53′0.9″W Constructed: 1871 Construction: Brick Tower height: 4 m (13 ft) Tower shape: Square Markings: White Black First lit: 1871 Automated: 1970s Deactivated: 1977–1983 Focal height: 25 feet (7.6 m) Lens: 5th order Fresnel lens 1871-1906 4th order 1906-1910 6th order 1910-1970s Solar-powered optic (current) Range: 4 nautical miles (7.4 km; 4.6 mi) Characteristic: Flash Red 6sec Fog signal: none.
Saw this lighthouse on August 19 2021.
The lighthouse is owned by the National Park Service and is part of Salem Maritime National Historic Site. Grounds open, tower closed.
Added to the National Register of Historic Places on June 15 1987
Access: Car