| Official Name: | Phon Sawan |
| Native Name: | โพนสวรรค์ |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: |  Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Nakhon Phanom |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Phon Sawan |
| Subdivision Type3: | Subdistrict |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 54352 |
| Population As Of: | 2005 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 48190 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 4810 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 17.4564°N 104.4686°W |
Phon Sawan (Thai: โพนสวรรค์, in Thai pronounced as /pʰōːn sā.wǎn/) is a district (amphoe) in Nakhon Phanom province, northeast Thailand.
Neighboring districts are (from the west clockwise): Na Wa, Si Songkhram, Tha Uthen, and Mueang Nakhon Phanom of Nakhon Phanom Province, and Kusuman of Sakon Nakhon province.
The minor district (king amphoe) was established on 7 January 1986, when the five tambons, Phon Sawan, Na Hua Bo, Na Khamin, Phon Bok, and Ban Kho, were split off from Tha Uthen district.[1] It was upgraded to a full district on 9 May 1992.[2]
The district is divided into seven sub-districts (tambons), which are further subdivided into 86 villages (mubans). Phon Sawan has township (thesaban tambon) status and covers part of tambons Phon Sawan and Phon Chan. There are a further seven tambon administrative organization (TAO).
| No. | Name | Thai name | Villages | Pop. | ||
|---|---|---|---|---|---|---|
| 1. | Phon Sawan | โพนสวรรค์ | 13 | 9,982 | ||
| 2. | Na Hua Bo | นาหัวบ่อ | 9 | 5,468 | ||
| 3. | Na Khamin | นาขมิ้น | 16 | 8,849 | ||
| 4. | Phon Bok | โพนบก | 10 | 5,895 | ||
| 5. | Ban Kho | บ้านค้อ | 18 | 12,311 | ||
| 6. | Phon Chan | โพนจาน | 12 | 7,548 | ||
| 7. | Na Nai | นาใน | 8 | 4,299 |