| Nishi-Yoshii Station | |
| Native Name: | 西吉井駅 |
| Native Name Lang: | ja |
| Address: | Yoshii-machi Nagane 1367-34, Takasaki-shi, Gunma-ken 370-2127 |
| Country: | Japan |
| Coordinates: | 36.2557°N 138.9661°W |
| Distance: | 13.4 km from |
| Operator: | Jōshin Dentetsu |
| Line: | Jōshin Line |
| Platforms: | 1 side platform |
| Status: | Unstaffed |
| Opened: | 15 December 1971 |
| Passengers: | 139 |
| Pass Year: | FY2018 |
| Map Type: | Japan Gunma Prefecture#Japan |
is a passenger railway station in the city of Takasaki, Gunma, Japan, operated by the private railway operator Jōshin Dentetsu.
Nishi-Yoshii Station is a station on the Jōshin Line and is 13.4 kilometers from the terminus of the line at .
The station consists of a single side platform serving traffic in both directions. It is unattended.
Nishi-Yoshii Station opened on 15 December 1971.