| Valerianos | |
| Name Local: | Βαλεριάνος |
| Type: | community |
| Coordinates: | 38.0833°N 63°W |
| Periph: | Ionian Islands |
| Periphunit: | Kefalonia |
| Municipality: | Argostoli |
| Municunit: | Eleios-Pronnoi |
| Population As Of: | 2021 |
| Pop Community: | 284 |
Valerianos (Greek, Modern (1453-);: Βαλεριάνος) is a village and a community in the island of Cephalonia, Greece. The community includes the villages Atsoupades and Plateies. It is situated at the southeastern foot of Mount Ainos, at about 190 m elevation. It is 0.5 km northwest of Chionata, 3 km southwest of Pastra, 9 km southwest of Poros and 23 km southeast of Argostoli. Valerianos was devastated by the 1953 Ionian earthquake.
| Year | Population village | Population community | |
|---|---|---|---|
| 1981 | - | 254 | |
| 1991 | 142 | - | |
| 2001 | 150 | 262 | |
| 2011 | 154 | 302 | |
| 2021 | 132 | 284 |