| Shimoisaka Station | |
| Native Name: | 下井阪駅 |
| Native Name Lang: | ja |
| Type: | JR-West commuter rail station |
| Address: | 551-1 Shimoisaka-chō Imou, Kinokawa-shi, Wakayama-ken 649-6426 |
| Country: | Japan |
| Owned: | West Japan Railway Company |
| Operator: | West Japan Railway Company |
| Distance: | 72km (45miles) from |
| Platforms: | 1 side platform |
| Tracks: | 1 |
| Train Operators: | West Japan Railway Company |
| Status: | Unstaffed |
| Passengers: | 433 daily |
| Pass Year: | FY2019 |
| Map Type: | Japan Wakayama Prefecture#Japan |
| Map Dot Label: | Shimoisaka Station |
| Services Collapsible: | yes |
is a passenger railway station in located in the city of Kinokawa, Wakayama Prefecture, Japan, operated by West Japan Railway Company (JR West).
Shimoisaka Station is served by the Wakayama Line, and is located 72.0 kilometers from the terminus of the line at Ōji Station.
The station consists of one side platform serving a single bi-directional track. There is no station building, but only a weather shelter on the platform. The station is unattended.
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Shimoisaka Station opened on July 15, 1938. With the privatization of the Japan National Railways (JNR) on April 1, 1987, the station came under the aegis of the West Japan Railway Company.
In fiscal 2019, the station was used by an average of 433 passengers daily (boarding passengers only).[1]