| Nishi-Ōtaki Station | |
| Style: | JR East |
| Native Name: | 西大滝駅 |
| Native Name Lang: | ja |
| Address: | Teruoka, Iiyama-shi, Nagano-ken 389-2601 |
| Country: | Japan |
| Coordinates: | 36.9791°N 138.4807°W |
| Operator: | JR East |
| Line: | Iiyama Line |
| Distance: | 39.7 km from |
| Platforms: | 1 side platform |
| Tracks: | 1 |
| Status: | Unstaffed |
| Elevation: | 313.3 meters |
| Opened: | 1 December 1923 |
| Passengers: | 7 (daily) |
| Pass Year: | FY2011 |
| Map Type: | Japan Nagano Prefecture#Japan |
| Map Dot Label: | Nishi-Ōtaki Station |
is a railway station in the city of Iiyama, Nagano Prefecture, Japan operated by East Japan Railway Company (JR East).
Nishi-Ōtaki Station is served by the Iiyama Line, and is 39.7 kilometers from the starting point of the line at Toyono Station.[1]
The station consists of one ground-level side platform serving a single bi-directional track. The station is unattended.[1]
Nishi-Ōtaki Station opened on 1 December 1923. With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR East. A new station building was completed in 1997.[1]