| Address: | Mu 1 (Ban Tha Sak), Tha Sak Subdistrict, Phichai District, Uttaradit |
| Code: | าส. |
| Tha Sak ท่าสัก | |
| Platform: | 1 |
| Tracks: | 3 |
| Owned: | State Railway of Thailand |
| Line: | Northern Line |
Tha Sak railway station is a railway station located in Tha Sak Subdistrict, Phichai District, Uttaradit. It is located 461.802 km from Bangkok railway station and is a class 2 railway station. It is on the Northern Line of the State Railway of Thailand.