| Official Name: | Khuan Niang |
| Native Name: | ควนเนียง |
| Native Name Lang: | th |
| Settlement Type: | District |
| Subdivision Type: | Country |
| Subdivision Name: | Thailand |
| Subdivision Type1: | Province |
| Subdivision Name1: | Songkhla |
| Subdivision Type2: | Seat |
| Subdivision Name2: | Rattaphum |
| Subdivision Type3: | Subdistrict |
| Subdivision Type4: | Muban |
| Established Title: | District established |
| Population Total: | 33264 |
| Population As Of: | 2005 |
| Blank Name Sec1: | Postal code |
| Blank Info Sec1: | 90220 |
| Blank Name Sec2: | Geocode |
| Blank Info Sec2: | 9013 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Coordinates: | 7.1869°N 100.3578°W |
Khuan Niang (th|ควนเนียง, pronounced as /th/) is a district (amphoe) of Songkhla province, southern Thailand.
The minor district (king amphoe) was established on 2 January 1985 by splitting off four tambons from Rattaphum district.[1] It was upgraded to a full district on 21 May 1990.[2]
Neighboring districts are (from the east clockwise): Singhanakhon, Bang Klam, and Rattaphum of Songkhla Province and Pak Phayun of Phatthalung province.
The district is divided into four sub-districts (tambons), which are further subdivided into 46 villages (mubans). Khuan Niang is a township (thesaban tambon) which covers parts of the tambon Rattaphum. There are a further four tambon administrative organizations (TAO).
| No. | Name | Thai name | Villages | Pop. | |
|---|---|---|---|---|---|
| 1. | Rattaphum | รัตภูมิ | 13 | 13,760 | |
| 2. | Khuan So | ควนโส | 11 | 5,647 | |
| 3. | Huai Luek | ห้วยลึก | 9 | 4,917 | |
| 4. | Bang Riang | บางเหรียง | 13 | 8,940 |