Ainono Station (相野々駅, Ainono-eki) is a railway station in the city of Yokote, Akita Prefecture, Japan, operated by JR East.

Ainono Station is served by the Kitakami Line, and is located 53.4 kilometres (33.2 mi) from the terminus of the line at Kitakami Station.

The station consists of an island platform serving two tracks. A level crossing connects the platform to the station building located south of the platforms. A waiting room is also located at the centre of the platform. The station is unattended.

1	■ Kitakami Line	for Yokote
2	■ Kitakami Line	for Kitakami

Ainono Station opened on October 10, 1920, as a station on the Japanese Government Railways (JGR), serving the village of Sannai, Akita. The JGR became the Japan National Railways (JNR) after World War II. The station was absorbed into the JR East network upon the privatization of the JNR on April 1, 1987. A new station building was completed in July 1996.

• National Route 107

• List of railway stations in Japan

Media related to Ainono Station at Wikimedia Commons

• JR East Station information (in Japanese)