| Nioro | |
| Settlement Type: | Cercle |
| Mapsize: | 300px |
| Pushpin Label Position: | bottom |
| Subdivision Type: | Country |
| Subdivision Name: |  Mali |
| Subdivision Type1: | Region |
| Subdivision Name1: | Kayes Region |
| Seat Type: | Admin HQ (Chef-lieu) |
| Seat: | Nioro du Sahel |
| Area Total Km2: | 11060 |
| Population As Of: | 2009 census |
| Population Footnotes: | [1] |
| Population Total: | 230488 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Utc Offset: | +0 |
Nioro Cercle is an administrative subdivision of the Kayes Region of Mali. Its administrative center (chef-lieu) is the town of Nioro du Sahel. The commune is on the Mauritanian border and has long been a major stop on the trans-Saharan trade.
The cercle is divided into 16 communes:[2] [3]