| Kaeng Khoi Line | |
|---|---|
 Kaeng Khoi Junction Railway Station, terminal station of the Kaeng Khoi Line | |
| Overview | |
| Owner | State Railway of Thailand |
| Locale | Bangkok, Pathum Thani, Phra Nakhon Si Ayutthaya, and Saraburi |
| Termini | |
| Stations | 37 |
| Service | |
| Type | Commuter rail |
| System | Greater Bangkok Commuter rail |
| Technical | |
| Line length | 125.10 km (77.73 mi) |
| Track gauge | 1,000 mm (3 ft 3+3⁄8 in) metre gauge |
Kaeng Khoi Line is a railway line of Greater Bangkok Commuter rail, operated by State Railway of Thailand (SRT). The line is all double track. There are three commuter train services on the line. Main destinations such as Rangsit, Ayutthaya, Saraburi, and Kaeng Khoi.