|Administrative region||West Greece|
|Highest elevation||660 m (2,170 ft)|
|Lowest elevation||0 m (0 ft)|
|• Population||53 (2011)|
|Time zone||EET (UTC+2)|
|• Summer (DST)||EEST (UTC+3)|
|Postal code||250 03|
Kato Zachlorou (Greek: Κάτω Ζαχλωρού) is a village and a community in eastern Achaea, Greece. It is built on a mountain slope on the left bank of the river Vouraikos, which forms a narrow gorge. The community consists of the villages Kato Zachlorou and Ano Zachlorou, and the Mega Spilaio monastery. It is 11 km (7 miles) south of Diakopto, and 9 km (6 miles) northeast of Kalavryta. In 2011 Kato Zachlorou had a population of 38 for the village, and 53 for the community. The narrow gauge Diakofto–Kalavryta Railway runs through the village.
- "Απογραφή Πληθυσμού - Κατοικιών 2011. ΜΟΝΙΜΟΣ Πληθυσμός" (in Greek). Hellenic Statistical Authority.