Kato Kallithea is a village in Makrakomi Municipality, in the regional unit of Phthiotis, in the region of Central Greece, Greece. Kato Kallithea lies in the Goulinas mountains. It has 244 inhabitants (2021). The nearest city is Lamia, 24 km to the east. Among the landmarks around are Thermopylae (35 km), Agathonos Monastery (5.5 km) and Sperchiae (11.3 km).

Also written Κάτω Καλλιθέα.