Lam Sonthi district
Lam Sonthi 
    ลำสนธิ  | |
|---|---|
District location in Lopburi province  | |
| Coordinates: 15°18′6″N 101°21′48″E / 15.30167°N 101.36333°E | |
| Country | Thailand | 
| Province | Lopburi | 
| Seat | Lam Sonthi | 
| Tambon | 6 | 
| Muban | 49 | 
| Area | |
 • Total  | 447.0 km2 (172.6 sq mi) | 
| Population  (2012)  | |
 • Total  | 34,480 | 
| • Density | 77.1/km2 (200/sq mi) | 
| Time zone | UTC+7 (ICT) | 
| Postal code | 15190 | 
| Geocode | 1610 | 
Lam Sonthi (Thai: ลำสนธิ, pronounced [lām sǒn.tʰíʔ]) is the easternmost district (amphoe) of Lopburi province, central Thailand.