Mart Port (4 January 1922 – 3 February 2012) was an Estonian architect and pedagogue.
He is mostly notable for being in the head of many statutory plans during the Soviet era, those including Tallinn, Tartu, Pärnu, Viljandi and Tallinn's districts Mustamäe, Väike-Õismäe and Lasnamäe.
His most notable individual objects include the Viru Hotel (1968–1972), the building of the Central Committee of the Communist Party of Estonia (now the Ministry of Foreign Affairs; with Raine Karp, Uno Tölpus and Olga Kontšajeva, 1966–1968), the "Planners' House" (Rävala pst 8; with Peep Jänes and Arvo Niineväli, 1965–1981) and the World War II Memorial in Maarjamäe (with Allan Murdmaa, Peep Jänes, Henno Sepmann and Rein Kersten, 1959–1960).