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.

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?.^{[citation needed]}