| Official Name: | Niangua Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | Camden |
| Area Total Km2: | 53.62 |
| Area Land Km2: | 44.91 |
| Area Water Km2: | 8.71 |
| Area Total Sq Mi: | 20.7 |
| Area Land Sq Mi: | 17.34 |
| Area Water Sq Mi: | 3.36 |
| Area Water Percent: | 16.24 |
| Population As Of: | 2000 |
| Population Total: | 3356 |
| Population Density Km2: | 74.7 |
| Population Density Sq Mi: | 193.5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 228 |
| Elevation Ft: | 748 |
| Coordinates: | 38.0219°N -92.81°W |
| Blank Name: | FIPS code |
| Blank Info: | 29-52410[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0767575 |
Niangua Township is one of eleven townships in Camden County, Missouri, USA. As of the 2000 census, its population was 3,356.
The township was named after the Niangua River.[3]
Niangua Township covers an area of 20.7sqmi and contains one incorporated settlement, Camdenton (the county seat). It contains three cemeteries: Laughlin, Tick Ridge and Union Electric.