Papaioannou
Papaioannou is a Greek surname. Notable people with the surname include:
- Charalampos Papaioannou, Greek judoka
- Dimitris Papaioannou, Greek choreographer, director, dancer and artist
- Ezekias Papaioannou, Cypriot politician
- Giannis Papaioannou, Greek songwriter
- Ioánnis Papaïoánnou, Greek chess grandmaster
- Konstantinos Papaioannou, Greek physicist and mathematician
- Makis Papaioannou, Cypriot footballer
- Mimis Papaioannou, Greek footballer
- Pavlos Papaioannou, Greek footballer
- Sofia Papaioannou, Greek journalist
- Yiannis Papaioannou, Greek composer
- Pantelis Papaioannou, Greek leader of the Macedonian Struggle
