Biloxi Light, Cast iron lighthouse in Biloxi, United States.

Biloxi Light is a cylindrical cast-iron tower lined with brick, 18.5 meters tall, with a gallery and lantern, painted white with a black gallery. It stands beside the Mississippi Sound in Biloxi, Mississippi. The light shows a long white flash every four seconds at a focal height of 18.5 meters.

The lighthouse was built in 1848 following Congressional approval to aid ships navigating Mississippi Sound. It was manufactured by the Murray and Hazlehurst foundry in Baltimore and served as an important maritime navigation aid for generations.

The tower appears on Mississippi automobile license plates issued between October 2007 and October 2012; the state tax commission called it a long-recognized landmark of the Gulf Coast. A civil rights historical marker placed at the light in 2010 recalls the April 1960 "wade-in" on the adjacent beach protesting segregation of Mississippi's beaches.

The tower stands at the intersection of Beach Boulevard and Porter Avenue, owned by the City of Biloxi and run as a private aid to navigation. Inside, blue lines on the wall mark historic storm surges, with Hurricane Katrina's crest at 21.5 feet above mean sea level. The keeper's house was destroyed by Hurricane Camille in 1969 and never rebuilt.

This lighthouse had female keepers for a longer period than any other lighthouse in America, with the Younghans family alone managing it for over six decades. This made the station an exceptional example of women serving in historical maritime roles.