Nikhom Nam Un district
Nikhom Nam Un 
    นิคมน้ำอูน  | |
|---|---|
District location in Sakon Nakhon province  | |
| Coordinates: 17°10′59″N 103°43′7″E / 17.18306°N 103.71861°E | |
| Country | Thailand | 
| Province | Sakon Nakhon | 
| Seat | Nong Pling | 
| Area | |
 • Total  | 162.0 km2 (62.5 sq mi) | 
| Population  (2005)  | |
 • Total  | 13,696 | 
| • Density | 84.5/km2 (219/sq mi) | 
| Time zone | UTC+7 (ICT) | 
| Postal code | 47270 | 
| Geocode | 4707 | 
Nikhom Nam Un (Thai: นิคมน้ำอูน, pronounced [ní(ʔ).kʰōm náːm ʔūːn]; Northeastern Thai: นิคมน้ำอูน, pronounced [nì(ʔ).kʰôm nȁːm ʔùːn]) is a district (amphoe) in the western part of Sakon Nakhon province, northeast Thailand.