| Kato Zachlorou | |
| Name Local: | Κάτω Ζαχλωρού |
| Type: | community |
| Coordinates: | 38.0833°N 31°W |
| Elevation: | 655 |
| Periph: | West Greece |
| Periphunit: | Achaea |
| Municipality: | Kalavryta |
| Municunit: | Kalavryta |
| Population As Of: | 2021 |
| Pop Community: | 53 |
| Postal Code: | 250 03 |
| Licence: | AX |
Kato Zachlorou (Greek, Modern (1453-);: 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 11km (07miles) south of Diakopto, and 9km (06miles) northeast of Kalavryta. The narrow gauge Diakofto–Kalavryta Railway runs through the village.
| Year | Population | |
|---|---|---|
| 1981 | 96 | |
| 1991 | 81 | |
| 2001 | 101 | |
| 2011 | 53 | |
| 2021 | 49 |