Antigonia may refer to:
Places Antigonia (Chaonia), near Saraqinisht, southern Albania Archaeological National park of Antigonea Antigonia (Paeonia), in Paeonia, Macedon Antigonia Psaphara, in Crucis, Chalcidice, Greece Antigoneia (Syria), in Syria, now near Antakya, Hatay Province, Turkey Alexandria Troas or Antigonia, in Troas, Asia Minor, now Eski Stambul, Çanakkale Province, Turkey Diocese of Antigonia, a former see in the Roman province Hellespontus Nicaea or Antigonia, Bithynia, now İznik, Bursa Province, Turkey Mantinea or Antigonia, Arcadia, Greece
Other uses Antigonia (fish), a genus of fish