Kamphaeng Saen
กำแพงแสน | |
|---|---|
 District location in Nakhon Pathom province | |
| Coordinates: 13°59′2″N 99°59′38″E / 13.98389°N 99.99389°E | |
| Country | Thailand |
| Province | Nakhon Pathom |
| Area | |
| • Total | 405.019 km2 (156.379 sq mi) |
| Population (2017) | |
| • Total | 129,081 |
| • Density | 318.70/km2 (825.4/sq mi) |
| Time zone | UTC+7 (ICT) |
| Postal code | 73140 |
| Geocode | 7302 |
Kamphaeng Saen (Thai: กำแพงแสน, pronounced [kām.pʰɛ̄ːŋ sɛ̌ːn]) is the northwesternmost district (amphoe) of Nakhon Pathom province, central Thailand.