Konstantinos Polychroniou (; 12 November 1936 â 1 June 2018), better known as Kostas Polychroniou, was a Greek professional football player and manager.
Born in Platanistos, Euboea, Polychroniou's family moved to Athens when he was six months old. Polychroniou is considered as one-club man spending his entire career playing for the Greek giants Olympiacos F.C. making 305 appearances in Alpha Ethniki and a total of 662 caps in all competitions (also including 239 friendly games). He also earned six greek championships (1956, 1957, 1958, 1959, 1965âÂÂ66, 1966âÂÂ67) and 8 Greek Cups (1956âÂÂ57, 1957âÂÂ58, 1958âÂÂ59, 1959âÂÂ60, 1960âÂÂ61, 1962âÂÂ63, 1964âÂÂ65, 1967âÂÂ68).
Kostas Polychroniou capped 27 times for Greece.
He managed AEL, Rodos, Doxa Drama, Apollon Athens, Levadiakos, Olympiacos, Greece, Ionikos, Paniliakos.