| Koide Station | |
| Style: | JR East |
| Native Name: | 小出駅 |
| Native Name Lang: | ja |
| Address: | 1315 Yokkamachi, Uonuma-shi, Niigata-ken |
| Country: | Japan |
| Operator: | JR East |
| Platforms: | 1 side + 2 island platforms |
| Tracks: | 5 |
| Passengers: | 940 daily |
| Pass Year: | FY2015 |
| Map Type: | JR Tadami Line#Japan |
is a railway station in Uonuma, Niigata, Japan, operated by East Japan Railway Company (JR East).
Koide Station is served by the Jōetsu Line, and is 132.2 kilometers from the terminus of the line at . It is also the terminus of the Tadami Line, which is 135.2 kilometers from the opposite terminus at .
The station consists of one side platform and two island platforms serving five tracks. The platforms are connected by a footbridge. The station has a Midori no Madoguchi staffed ticket office.
The station opened on 1 September 1923 as an intermediate station on the Jōetsu Line.July 2022. It became the western terminus of the western section of the Tadami Line extending to, in 1942, and the western terminus of the completed line in 1971.[1]
Following the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR East.
In fiscal 2015, the station was used by an average of 940 passengers daily (boarding passengers only).[2]