Museum railway station is a heritage-listed underground commuter rail station that is located on the City Circle route at the southern end of Hyde Park in the Sydney central business district of New South Wales, Australia. The station is served by Sydney Trains T2 Inner West & Leppington and T3 Bankstown T8 Airport & South lines. The station is named after the nearby Australian Museum. It was added to the New South Wales State Heritage Register on 2 April 1999.

The City Circle is a mostly-underground railway line located in the Sydney central business district and Haymarket, in New South Wales, Australia, that forms the core of Sydney's passenger rail network. The lines are owned by the Transport Asset Holding Entity, a State government agency, and operated under Transport for NSW's Sydney Trains brand. Despite its name, the City Circle is of a horseshoe shape, with trains operating in a U-shaped pattern. The constituent stations of the Circle are (clockwise): Central, Town Hall, Wynyard, Circular Quay, St James, Museum and back to Central.