Aunt Mary was a Norwegian prog rock band from the 1970s.

They signed a recording contract with Polydor Records in Denmark, to facilitate the release of Aunt Mary in 1970. The group gradually moved towards progressive rock with the records Loaded in 1972 and Janus in 1973. The group disbanded in 1973, but has reunited for several concerts since 1978.

The band's former lead vocalist, Jan Groth, died from cancer on 27 August 2014, at the age of 68.