Kato Tithorea (, Lower Tithorea) is a town in Phthiotis, in central Greece. Since the 2011 local government reform it is part of the municipality Amfikleia-Elateia, of which it is the seat. It has a population 1,841 according to the 2011 Greek census. It is situated on the right bank of the river Cephissus and between the Parnassus and Kallidromo mountains, 11 km east of Amfikleia and 24 km northwest of Livadeia. Nearby places includes Panagitsa (northeast), Agia Paraskevi (southeast) and Tithorea (southwest).