| Address: | Mu 5 (Ban Khlong Sun), Phruphi Subdistrict, Ban Na San District, Surat Thani |
| Code: | คู. |
| Line: | Southern Line |
| Khlong Sun | |
| Native Name: | คลองสูญ |
| Owned: | State Railway of Thailand |
| Platform: | 1 |
| Tracks: | 1 |
Khlong Sun Railway Halt is a railway halt located in Phruphi Subdistrict, Ban Na San District, Surat Thani, Thailand. It is located 687.7291NaN1 from Thon Buri Railway Station.