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.

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