Reşadiye is a town in Tokat Province, Turkey, and the seat of Reşadiye District. Its population was 9,795 in 2022. It lies within the Cappadocia land inside the Kızılırmak arc, in the central part of the Black Sea region.
The town sits on the banks of the Kelkit Stream, also referred to as the Kelkit River, and lies on the E80 highway. It is bordered by Ordu to the north, Almus to the south, Niksar and Başçiftlik to the west, and Sivas to the southeast.