Wiscasset is a town in and the seat of Lincoln County, Maine, United States. The municipality is located in the state of Maine's Mid Coast region. The population was 3,742 as of the 2020 census. Home to the Chewonki Foundation, Wiscasset is a tourist destination noted for early architecture and as the location of Red's Eats restaurant.

The Wiscasset Historic District is a 101-acre (41 ha) historic district that encompasses substantially all of the central village of Wiscasset, Maine. The district includes at least 22 contributing buildings and two other contributing sites, one being a cemetery whose oldest stone is from 1739. Located on the west bank of the Sheepscot River and settled in the 18th century, Wiscasset was a prominent harbor in Mid Coast Maine, and a major shipbuilding and merchant port, until the War of 1812 ended its prosperity. The village center includes fine examples of Federal period architecture, most built between about 1780 and 1820, including one National Historic Landmark, the Nickels-Sortwell House. The district was listed on the National Register of Historic Places in 1973.