The McLean Museum and Art Gallery is a museum and art gallery situated in Greenock, Inverclyde, Scotland. It is the main museum in the Inverclyde area and opened in 1876. Most notably it features an exhibition of items related to James Watt, the Greenock-born inventor, a Mummy Cartonnage from Herakleopolis Magna and a collection of British and Scottish art. The principal entrance to the museum is on Kelly Street, in the Greenock West area. The former Curator is Val Boa. The Watt Institution includes the Art Gallery, Watt Hall, Watt Library and Inverclyde Archives.