Komoro Station (小諸駅? Komoro-eki) is a railway station on the Shinano Railway Line in Komoro, Nagano, Japan, jointly operated by the third-sector railway operating company Shinano Railway and JR East. It is managed by the Shinano Railway.
Komoro Station is served by the Shinano Railway Line and is 22.0 kilometers from the starting point of the line at Karuizawa Station. It is also a station on the Koumi Line, and is 78.9 kilometers from the starting point of that line at Kobuchizawa Station.
The station consists of one ground-level side platform and two island platforms serving five tracks, connected to the station building by a footbridge. The station has a Midori no Madoguchi staffed ticket office.
The station opened on 1 December 1888.
In fiscal 2015, the JR East portion of the station was used by an average of 1,650 passengers daily (boarding passengers only). The Shinano Railway portion of the station was used by 3,167 passengers in Fiscal 2015.