Watanoha Station (渡波駅, Watanoha-eki) is a railway station located in the city of Ishinomaki, Miyagi Prefecture, Japan, operated by East Japan Railway Company (JR East).

Watanoha Station is served by the Ishinomaki Line, and is located 35.9 kilometers from the terminus of the line at Kogota Station.

The station has two opposed side platforms connected to the station building by a level crossing.

Watanoha Station opened on October 7, 1939.

Operations of the line and the station were suspended by the 2011 Tōhoku earthquake and tsunami of March 11, 2011.