Hatziioannou
Hatziioannou or Haji-Ioannou is a Greek surname. Notable people with the surname include:
- Clelia Haji-Ioannou, Cypriot billionaire
- Leon Hatziioannou, Canadian football player
- Loucas Haji-Ioannou, Greek-Cypriot shipping entrepreneur
- Polys Haji-Ioannou, Cypriot billionaire
- Stelios Haji-Ioannou, British Cypriot billionaire