| Official Name: | Phanna Nikhom |
| Native Name: | พรรณานิคม |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: |  Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Sakon Nakhon |
| Subdivision Type2: | Seat |
| Subdivision Type3: | Tambon |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 79507 |
| Population As Of: | 2005 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 47130 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 4704 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 17.3517°N 103.8467°W |
Phanna Nikhom (Thai: พรรณานิคม, in Thai pronounced as /pʰān.nāː ní(ʔ).kʰōm/; พรรณานิคม, in Lao pronounced as /pʰa᷇n.na᷇ː nì(ʔ).kʰo᷇m/) is a district (amphoe) of Sakon Nakhon province, Thailand.
Neighboring districts are (from the east clockwise) Mueang Sakon Nakhon, Kut Bak, Nikhom Nam Un, Waritchaphum, Phang Khon, Wanon Niwat and Akat Amnuai of Sakon Nakhon Province, and Na Wa of Nakhon Phanom province.
The area was originally known as Ban Phang Phrao (บ้านพังพร้าว). It was renamed Phanna Nikhom and made a district in 1902.
The district is divided into 10 sub-districts (tambons), which are further subdivided into 123 villages (mubans). Phanna Nikhom is a township (thesaban tambon) which covers parts of tambon Phanna. There are a further 10 tambon administrative organizations (TAO).
| No. | Name | Thai name | Villages | Pop. | ||
|---|---|---|---|---|---|---|
| 1. | Phanna | พรรณา | 11 | 8,636 | ||
| 2. | Wang Yang | วังยาง | 10 | 8,044 | ||
| 3. | Phok Noi | พอกน้อย | 11 | 8,737 | ||
| 4. | Na Hua Bo | นาหัวบ่อ | 15 | 10,232 | ||
| 5. | Rai | ไร่ | 15 | 9,268 | ||
| 6. | Chang Ming | ช้างมิ่ง | 18 | 9,112 | ||
| 7. | Na Nai | นาใน | 11 | 7,385 | ||
| 8. | Sawang | สว่าง | 12 | 6,962 | ||
| 9. | Ba Hi | บะฮี | 10 | 6,152 | ||
| 10. | Choeng Chum | เชิงชุม | 10 | 4,979 |