| Kōsei Station | |
| Native Name: | 甲西駅 |
| Native Name Lang: | ja |
| Address: | 20-14 Hiramatsu, Konan-shi, Shiga-ken 520-3232 |
| Country: | Japan |
| Operator: | JR West |
| Line: | Kusatsu Line |
| Distance: | 24.3 km from |
| Platforms: | 1 side platform |
| Opened: | October 1, 1981 |
| Passengers: | 2318 daily |
| Pass Year: | FY2019 |
| Map Type: | Japan Shiga Prefecture#Japan |
| Map Dot Label: | Kōsei Station |
| Style: | JR West |
is a passenger railway station located in the city of Konan, Shiga Prefecture, Japan, operated by the West Japan Railway Company (JR West).
Kōsei Station is served by the Kusatsu Line, and is 24.3 kilometers from the starting point of the line at .
The station consists of a single side platform serving one bi-directional track, with an elevated station building. The station his attended
Kōsei Station was opened on October 1, 1981 as a passenger station on the Japan National Railway (JNR). The station became part of the West Japan Railway Company on April 1, 1987 due to the privatization and dissolution of the JNR.
In fiscal 2019, the station was used by an average of 2318 passengers daily (boarding passengers only).[1]