Faidon Matthaiou, also spelled Fedon Mattheou and Phaedon Mathaiou (Greek: Φαίδων Ματθαίου) (12 July 1924 – 17 September 2011) was a Greek professional basketball coach and basketball player. He was a center, and at the end of his career, he also played as a play maker. He wore the number 1 jersey throughout his career. He represented Greece twice at the Summer Olympics. As a rower at the 1948 Summer Olympics, and as a basketball player at the 1952 Summer Olympics.