| Official Name: | Si Prachan |
| Native Name: | ศรีประจันต์ |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Suphan Buri |
| Subdivision Type2: | Seat |
| Subdivision Type3: | Subdistricts |
| Subdivision Name3: | 9 |
| Subdivision Type4: | Mubans |
| Subdivision Name4: | 64 |
| Established Title: | District established |
| Population Total: | 62419 |
| Population As Of: | 2013 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 72140 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 7205 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 14.6197°N 100.1444°W |
Si Prachan (in Thai pronounced as /sǐː prā.t͡ɕān/) is a district (amphoe) in the eastern part of Suphan Buri province, central Thailand. Si Prachan is well known for being the location of the Thai Buffalo Conservation Village, buffalo conservation centre.[1]
The government separated some parts of Tha Phi Liang District (now Mueang Suphan Buri) and Sam Chuk district to create Si Prachan District in 1901.
Si Prachan, formerly known as "Kraphung" (กระพุ้ง, in Thai pronounced as /krā.pʰūŋ/). It was renamed in 1937 in honour of Khun Si Prachanraksa (Sam Mithongkham), the first Si Prachan subdistrict headman.[2]
Neighbouring districts are (from the south clockwise): Mueang Suphan Buri, Don Chedi and Sam Chuk; and Sawaeng Ha, Pho Thong, Samko and Wiset Chai Chan of Ang Thong province.
The main water resource of the district is the Tha Chin River.
Si Prachan is divided into nine subdistricts (tambons), which are further subdivided into 64 administrative villages (mubans).
| No. | Name | Thai | Villages | Pop.[3] | |
|---|---|---|---|---|---|
| 1. | Si Prachan | Thai: ศรีประจันต์ | 6 | 8,607 | |
| 2. | Ban Krang | Thai: บ้านกร่าง | 6 | 8,334 | |
| 3. | Mot Daeng | Thai: มดแดง | 7 | 5,412 | |
| 4. | Bang Ngam | Thai: บางงาม | 6 | 3,382 | |
| 5. | Don Pru | Thai: ดอนปรู | 9 | 9,210 | |
| 6. | Plai Na | Thai: ปลายนา | 7 | 8,329 | |
| 7. | Wang Wa | Thai: วังหว้า | 7 | 5,382 | |
| 8. | Wang Nam Sap | Thai: วังน้ำซับ | 7 | 6,761 | |
| 9. | Wang Yang | Thai: วังยาง | 9 | 7,002 |
There are six subdistrict municipalities (thesaban tambons) in the district:
There are four subdistrict administrative organizations (SAO) in the district: