| Kai-Iwama Station | |
| Native Name: | 甲斐岩間駅 |
| Native Name Lang: | ja |
| Address: | 948 Iwama, Ichikawamisato-chi, Nishiyatsushiro-gun, Yamanashi-ken |
| Country: | Japan |
| Operator: | JR Central |
| Line: | Minobu Line |
| Distance: | 60.3 kilometers from |
| Platforms: | 1 island platform |
| Status: | Unstaffed |
| Opened: | December 17, 1927 |
| Passengers: | 177 daily |
| Pass Year: | FY 2016 |
| Map Type: | Japan Yamanashi Prefecture#Japan |
| Map Dot Label: | Kai-Iwama Station |
is a train station on the Minobu Line of Central Japan Railway Company (JR Central) located in the town of Ichikawamisato, Nishiyatsushiro District, Yamanashi Prefecture, Japan.
Kai-Iwama Station is served by the Minobu Line and is located 60.3 kilometers from the southern terminus of the line at Fuji Station.
Kai-Iwama Station has one island platform connected to the station building by a level crossing. The station is unattended.
Kai-Iwama Station was opened on December 17, 1927 as a station on the Fuji-Minobu Line. The line came under control of the Japanese Government Railways on May 1, 1941. The JGR became the JNR (Japan National Railway) after World War II. Along with the division and privatization of JNR on April 1, 1987, the station came under the control and operation of the Central Japan Railway Company. The station has been unattended since April 1, 1999. The station building was rebuilt in May 2005.