Maria Dimitriadi (Greek: Μαρία Δημητριάδη) (11 April 1950 – 6 January 2009), was a Greek singer. She was one of the most renowned performers of the songs of Mikis Theodorakis and Thanos Mikroutsikos. Dimitiradi primarily connected with political left-wing songs during the Junta and Metapolitefsi era in Greece, but she also experimented with other styles and genres, of a more lyrical tone.