Sosti can refer to the following places:
- in Greece:
- Sosti, Elis, a village in Elis
- Sostis, a village and a municipal unit in the Rhodope regional unit
- Agios Sostis, a village in Messenia
- Agios Sostis, Phthiotis, a village in the municipal unit Spercheiada, Phthiotis
- Agios Sostis, a cape in Preveza (regional unit)
- San Sosti, a commune in the province of Cosenza, Italy