Phaedon Gizikis () (June 16, 1917 – July 27, 1999) was a Greek Army general and President of Greece from 1973 to 1974. Born on 16 June 1917, in Volos, Greece, Phaedon Gizikis was a career Greek army officer. In 1967 he supported the Georgios Papadopoulos' coup d'etat and received a number of senior military posts during the dictatorship that followed. He was given the figurehead title of President of the Republic on 25 November 1973, after Papadopoulos was ousted by Dimitrios Ioannides as head of the regime in an internal power struggle.