Papaioannou

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

• Antonios Papaioannou (born 1877), Greek gymnast
• Charalampos Papaioannou (born 1972), Greek judoka
• Dimitris Papaioannou (born 1964), Greek choreographer, director, dancer and artist
• Dimitrios Papaioannou (born 2001), Greek footballer
• Eleana Papaioannou (born 1983), Greek singer-songwriter
• Ezekias Papaioannou (1908–1988), Cypriot politician
• George Papaioannou (1933–1999), Greek-American bishop
• Giannis Papaioannou (1913–1972), Greek songwriter
• Ioannis Papaioannou (chess player) (born 1976), Greek chess grandmaster
• Ioannis Papaioannou (actor) (1869–1931), Greek actor
• Konstantinos Papaioannou (1899–1979), Greek physicist and mathematician
• Lakis Papaioannou (born 1956), Greek footballer
• Loukas Papaioannou (1831–1890), Greek professor
• Makis Papaioannou (born 1977), Cypriot footballer
• Miltiadis Papaioannou (born 1947), Greek politician
• Mimis Papaioannou (1942–2023), Greek footballer
• Pantelis Papaioannou (1880s–1907), Greek leader of the Macedonian Struggle
• Pavlos Papaioannou (born 1959), Greek footballer
• Ramona Papaioannou (born 1989), Cypriot sprinter
• Sofia Papaioannou (born 1969), Greek journalist
• Virginia Papaioannou (born 1946), American biologist
• Voula Papaioannou (1898–1990), Greek photographer
• Yiannis Papaioannou (1910–1989), Greek composer