Lang Suan
หลังสวน | |
|---|---|
.jpg) Beach at Bang Nam Chuet | |
 District location in Chumphon province | |
| Coordinates: 9°56′44″N 99°4′43″E / 9.94556°N 99.07861°E | |
| Country | Thailand |
| Province | Chumphon |
| Seat | Khan Ngoen |
| Area | |
• Total | 935.0 km2 (361.0 sq mi) |
| Population (2007) | |
• Total | 70,837 |
| • Density | 75.8/km2 (196/sq mi) |
| Time zone | UTC+7 (ICT) |
| Postal code | 86110 |
| Geocode | 8604 |
Lang Suan (Thai: หลังสวน, pronounced [lǎŋ sǔa̯n]) is a district (amphoe) of Chumphon province, southern Thailand.