Agios Konstantinos may refer to several places in Cyprus and Greece:
Agios Konstantinos, East Attica Agios Konstantinos, Laconia, a village near Sparti, Greece Agios Konstantinos, Phthiotis Agios Konstantinos Marmaris, a settlement in Euboea, Greece Agios Konstantinos, Cyprus Agios Konstantinos, a town in Oropedio Lasithiou (Lasithi)