Lunenburg is a provincial electoral district in Nova Scotia, Canada, that elects one member of the Nova Scotia House of Assembly. From 1867 to 1956, the district included all of Lunenburg County. In 1956, the district was abolished into Lunenburg Centre, Lunenburg East and Lunenburg West. The riding was re-created in 1993 with nearly identical boundaries to Lunenburg Centre, except it lost the area west of the LaHave River (except New Germany) to Lunenburg West. The district also lost the Tancook Islands to Chester-St. Margaret's.
The riding includes the towns of Lunenburg and Mahone Bay.
Lunenburg electoral district covers of land area.
This riding has elected the following members of the Legislative Assembly: