| Official Name: | Phon |
| Native Name: | พล |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khon Kaen |
| Subdivision Type2: | Seat |
| Subdivision Type3: | Subdistrict |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 86911 |
| Population As Of: | 2005 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 40120 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 4012 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 15.8158°N 102.5986°W |
Phon (pronounced as /th/) is a district (amphoe) in the southern part of Khon Kaen province, northeastern Thailand.
Neighbouring districts are (from the west clockwise): Waeng Noi, Waeng Yai, Chonnabot, Non Sila and Nong Song Hong of Khon Kaen Province; Bua Lai and Prathai of Nakhon Ratchasima province.
The district is divided into 12 subdistricts (tambons), which are further subdivided into 131 villages (mubans). Mueang Phon is a town (thesaban mueang) which covers parts of tambon Mueang Phon. There are a further 12 tambon Administrative Organizations (TAO).
| No. | Name | Thai name | Villages | Pop. | ||
|---|---|---|---|---|---|---|
| 1. | Mueang Phon | เมืองพล | 11 | 19,173 | ||
| 3. | --> | Chot Nong Kae | โจดหนองแก | 14 | 7,955 | |
| 4. | Kao Ngio | เก่างิ้ว | 11 | 5,360 | ||
| 5. | Nong Makhuea | หนองมะเขือ | 9 | 4,091 | ||
| 6. | Nong Waeng Sok Phra | หนองแวงโสกพระ | 14 | 7,178 | ||
| 7. | Phek Yai | เพ็กใหญ่ | 10 | 6,969 | ||
| 8. | Khok Sa-nga | โคกสง่า | 10 | 6,234 | ||
| 9. | Nong Waeng Nang Bao | หนองแวงนางเบ้า | 13 | 6,962 | ||
| 10. | Lom Khom | ลอมคอม | 11 | 6,932 | ||
| 11. | Non Kha | โนนข่า | 9 | 6,285 | ||
| 12. | Sok Nok Ten | โสกนกเต็น | 11 | 6,442 | ||
| 13. | Hua Thung | หัวทุ่ง | 8 | 3,330 |