Papaioannou

Papaioannou (Παπαϊωάννου) is a Greek surname. Notable people with the surname include:


 * Charalampos Papaioannou (born 1972), Greek judoka
 * Dimitris Papaioannou (born 1964), Greek choreographer, director, dancer and artist
 * Ezekias Papaioannou (1908–1988), Cypriot politician
 * Giannis Papaioannou (1913–1972), Greek songwriter
 * Ioánnis Papaïoánnou (born 1976), Greek chess grandmaster
 * Konstantinos Papaioannou (1899–1979), Greek physicist and mathematician
 * Makis Papaioannou (born 1977), Cypriot footballer
 * Mimis Papaioannou (1942–2023), Greek footballer
 * Pavlos Papaioannou (born 1959), Greek footballer
 * Sofia Papaioannou (born 1969), Greek journalist
 * Yiannis Papaioannou (1910–1989), Greek composer
 * Pantelis Papaioannou (1880s–1907), Greek leader of the Macedonian Struggle