| Santomeri | |
| Name Local: | Σαντομέρι |
| Type: | community |
| Coordinates: | 37.9833°N 55°W |
| Periph: | West Greece |
| Periphunit: | Achaea |
| Municipality: | West Achaea |
| Municunit: | Olenia |
| Population As Of: | 2021 |
| Population: | 223 |
| Licence: | AX |
Santomeri (Greek: Σαντομέρι) is a village and a community in the municipal unit of Olenia, Achaea, Greece. It is located on the northern end of Mount Skollis, 5 km north of Portes, 18 km south of Kato Achaia and 32 km southwest of Patras. The community includes the villages Ampelakia and Polylofo.
| Year | Population | Community population | |
|---|---|---|---|
| 1981 | 560 | - | |
| 1991 | 291 | - | |
| 2001 | 306 | 477 | |
| 2011 | 164 | 314 | |
| 2021 | 136 | 223 |
Santomeri is named after Nicholas III of Saint Omer, a French baron of Thebes who gave his name to the castle Santameri and the nearby mountain, now known as Skollis. Venetians called it Edrolcamo?.