| Diou | |
| Settlement Type: | Commune and village |
| Pushpin Map: | Mali |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Mali |
| Subdivision Type: | Country |
| Subdivision Name: |  Mali |
| Subdivision Type1: | Region |
| Subdivision Name1: | Sikasso Region |
| Subdivision Type2: | Cercle |
| Subdivision Name2: | Kadiolo Cercle |
| Area Footnotes: | [1] |
| Area Total Km2: | 137 |
| Population As Of: | 2009 census |
| Population Footnotes: | [2] |
| Population Total: | 6003 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Utc Offset: | +0 |
| Coordinates: | 10.5897°N -5.9722°W |
Diou is a village and rural commune in the Cercle of Kadiolo in the Sikasso Region of southern Mali. The commune covers an area of 137 square kilometers and includes 3 villages.[3] In the 2009 census it had a population of 6,003.[2] The village of Diou, the administrative center (chef-lieu) of the commune, is 24 km west of Kadiolo.