| Address: | Thongkamnoet Road, Kamnoet Nopphakhun Subdistrict, Bang Saphan District, Prachuap Khiri Khan |
| Native Name Lang: | th |
| Bang Saphan Yai | |
| Native Name: | บางสะพานใหญ่ |
| Style: | SRT |
| Code: | พญ. |
| Owned: | State Railway of Thailand |
| Tracks: | 3 |
| Platform: | 2 |
| Line: | Southern Line |
| Opened: | March 1915 |
Bang Saphan Yai station (th|สถานีบางสะพานใหญ่) is a railway station located in Kamnoet Nopphakhun Subdistrict, Bang Saphan District, Prachuap Khiri Khan, Thailand. It is a class 1 railway station, located 376.5251NaN1 from Thon Buri railway station.
The station opened in March 1915 as part of the Ban Krut-Bang Saphan Yai Southern Line Section. The line continued in September 1916 to Chumphon.