| Official Name: | Kranuan |
| Native Name: | กระนวน |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Khon Kaen |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Nong Ko |
| Population Total: | 77531 |
| Population As Of: | 2005 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 40170 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 4009 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 16.7061°N 103.0789°W |
Kranuan (th|กระนวน, pronounced as /th/; tts|กระนวน, in Lao pronounced as /kā.nu᷇an/) is a district (amphoe) of Khon Kaen province, northeastern Thailand.
The minor district (king amphoe) Kranuan was established on 1 January 1948 by splitting it from Nam Phong district. It was upgraded to a full district on 22 July 1958.
Neighboring districts are (from the south clockwise): Sam Sung and Nam Phong of Khon Kaen Province; Non Sa-at and Kumphawapi of Udon Thani province; Tha Khantho, Nong Kung Si, and Huai Mek of Kalasin province; and Chuen Chom of Maha Sarakham province.
The district is divided into nine subdistricts (tambons), which are further subdivided into 81 villages (mubans). Nong Ko is a township (thesaban tambon) which covers parts of tambon Nong Ko. There are a further nine tambon administrative organizations (TAO).
| No. | Name | Thai name | Villages | Pop. | ||
|---|---|---|---|---|---|---|
| 1. | Nong Ko | หนองโก | 19 | 21,252 | ||
| 2. | Nong Kung Yai | หนองกุงใหญ่ | 13 | 10,315 | ||
| 3. | Huai Chot | ห้วยโจด | 11 | 6,370 | ||
| 4. | Huai Yang | ห้วยยาง | 9 | 6,037 | ||
| 5. | Ban Fang | บ้านฝาง | 11 | 7,831 | ||
| 6. | Dun Sat | ดูนสาด | 11 | 8,038 | ||
| 7. | Nong No | หนองโน | 7 | 6,180 | ||
| 8. | Nam Om | น้ำอ้อม | 8 | 4,763 | ||
| 9. | Hua Na Kham | หัวนาคำ | 10 | 6,745 |