| Address: | Prachuap Khiri Khan Local Road No.1048, Mu 2 (Ban Don Sai), Na Hu Kwang Subdistrict, Thap Sakae District, Prachuap Khiri Khan |
| Code: | ดซ. |
| Line: | Southern Line |
| Don Sai | |
| Native Name: | ดอนทราย |
| Style: | SRT |
| Owned: | State Railway of Thailand |
| Platform: | 1 |
| Tracks: | 2 |
Don Sai station (th|สถานีดอนทราย) is a railway station located in Na Hu Kwang Subdistrict, Thap Sakae District, Prachuap Khiri Khan. It is a class 3 railway station located 347.0071NaN1 from Thon Buri railway station.
Due to minimal passenger usage, Don Sai is being converted railway halt and will officially be in operation when the double tracking of the line section is completed.