| Sanmenxiaxi | |
| Native Name: | 三门峡西 |
| Native Name Lang: | zh-Hans |
| Symbol Location: | cn |
| Symbol: | rail |
| Borough: | Shanzhou District, Sanmenxia, Henan |
| Country: | China |
| Map Type: | China_Henan#China |
| Coordinates: | 34.6881°N 111.0753°W |
| Operator: | CR Zhengzhou |
| Line: | |
| Code: |
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| Classification: | Class 2 station (二等站) |
| Opened: | 1924 |
| Former: | Shanxian |
Sanmenxiaxi (Sanmenxia West) railway station is a station on Longhai railway in Shanzhou District, Sanmenxia, Henan.
The station was established in 1924.
The station was formerly known as Shanxian railway station . It was changed to the current name in 1986.