Lunenburg (2006 population: 2,317), is a Canadian port town in Lunenburg County.

Situated on the province's South Shore, Lunenburg is located on a peninsula at the western side of Mahone Bay. The town is approximately 90 kilometres southwest of the county boundary with the Halifax Regional Municipality.

The town was established during Father Le Loutre's War. The historic town was designated a United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage Site in 1995. This designation ensures protection for much of Lunenburg's unique architecture and civic design, being the best example of planned British colonial settlement in North America.