Kai-Yamato Station (甲斐大和駅, Kai-Yamato-eki) is a railway station of the Chūō Main Line, East Japan Railway Company (JR East) in Yamato-Hajikano, in the city of Kōshū, Yamanashi Prefecture, Japan.

Kai-Yamato Station is served by the Chūō Main Line, and is 106.5 kilometers from the terminus of the line at Tokyo Station.

The station consists of a single side platform and a single island platform. The platforms are located in a cutting, with the station building on ground level, and accessed via an overpass. The station is unattended.

1	■ Chūō Main Line	for Enzan, Kōfu, Kobuchizawa and Matsumoto
2	■ Chūō Main Line	(siding)
3	■ Chūō Main Line	for Ōtsuki, Takao, Hachiōji and Tachikawa

Kai-Yamato Station was opened on February 1, 1903 as Hajikano Station (初鹿野駅, Kajikano-eki) on the Japanese Government Railways (JGR) Chūō Main Line. The JGR became the JNR (Japanese National Railways) after the end of World War II. Scheduled freight services were discontinued from April 1966. The current station building was completed in November 1966. With the dissolution and privatization of the JNR on April 1, 1987, the station came under the control of the East Japan Railway Company. The station was named to its present name on April 1, 1993. Automated turnstiles using the Suica IC Card system came into operation from October 16, 2004.

In fiscal 2013, the station was used by an average of 143 passengers daily (boarding passengers only).

• former Yamato village hall

• List of railway stations in Japan

• Miyoshi Kozo. Chuo-sen Machi to eki Hyaku-niju nen. JT Publishing (2009) ISBN 453307698X (in Japanese)
• JR全線全駅ステーション倶楽部編(上) [Complete JR Line/Station Compendium (Vol. 1)] (in Japanese). Tokyo, Japan: Bunshun Bunko. September 1988. p. 145. ISBN 4-16-748701-2.

• JR East Kai-Yamato Station