Ratchasan district
Ratchasan 
    ราชสาส์น  | |
|---|---|
District location in Chachoengsao province  | |
| Coordinates: 13°46′56″N 101°16′54″E / 13.78222°N 101.28167°E | |
| Country | Thailand | 
| Province | Chachoengsao | 
| Seat | Bang Kha | 
| Area | |
 • Total  | 134.9 km2 (52.1 sq mi) | 
| Population  (2017)  | |
 • Total  | 12,809 | 
| • Density | 94.95/km2 (245.9/sq mi) | 
| Time zone | UTC+7 (ICT) | 
| Postal code | 24120 | 
| Geocode | 2407 | 
Ratchasan (Thai: ราชสาส์น, pronounced [râːt.t͡ɕʰā.sǎːn]) is a district (amphoe) in the central part of Chachoengsao province, central Thailand.