| Shimokawai Station | |
| Native Name: | 下川合駅 |
| Native Name Lang: | ja |
| Style: | JR Central |
| Address: | Sakuma-cho, Kawai 595, Tenryū-ku, Hamamatsu-shi, Shizuoka-ken |
| Country: | Japan |
| Coordinates: | 35.0693°N 137.7863°W |
| Operator: | JR Central |
| Line: | Iida Line |
| Distance: | 59.9 km from |
| Platforms: | 1 side platform |
| Status: | Unstaffed |
| Opened: | November 11, 1934 |
| Passengers: | 15 (daily) |
| Pass Year: | FY2017 |
| Map Type: | Japan Shizuoka Prefecture#Japan |
| Map Dot Label: | Shimokawai Station |
is a railway station on the Iida Line in Tenryū-ku, Hamamatsu, Shizuoka Prefecture, Japan, operated by Central Japan Railway Company (JR Central).
Shimokawai Station is served by the Iida Line and is 59.9 kilometers from the starting point of the line at Toyohashi Station.
The station has one ground-level side platform serving a single bi-directional track, with a small waiting room built onto the platform. It formerly had a single island platform, but was rebuilt in 2008. The station is unattended.
Shimokawai Station was established on November 11, 1934. On August 1, 1943, the Sanshin Railway was nationalized along with several other local lines to form the Iida line. All freight services were discontinued in 1971. Along with its division and privatization of JNR on April 1, 1987, the station came under the control and operation of the Central Japan Railway Company.
In fiscal 2016, the station was used by an average of 15 passengers daily (boarding passengers only).[1]