Sinanpaşa is a town in Afyonkarahisar Province in the Aegean region of Turkey. It lies on a plain surrounded by pine-covered mountains, about 33 kilometres from the city of Afyonkarahisar on the road towards Uşak and İzmir. It is the seat of Sinanpaşa District.
According to the 2024 census, the district had a total population of 38,428, while the town itself had a population of 3,609. The mayor is Erdal Karaman of the AKP.