is a railway station located in the city of Kitaakita, Akita Prefecture, Japan, operated by the third sector railway operator Akita Nairiku Jà «kan Railway.
Yonaizawa Station is served by the Nariku Line, and is located 15.0 km from the terminus of the line at Takanosu Station.
The station consists of one side platform serving a single bi-directional track. The station is unattended.
Yonaizawa Station opened on 10 December 1934 as a station on the Japan National Railways (JNR) serving the village of Maeda, Akita. The line was extended on to Aniai Station by 25 September 1936. The line was privatized on 1 November 1986, becoming the Akita Nairiku Jà «kan Railway.