| Diaka | |
| Settlement Type: | Commune |
| 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: | Mopti Region |
| Subdivision Type2: | Cercle |
| Subdivision Name2: | Ténenkou Cercle |
| Population As Of: | 2009 census |
| Population Footnotes: | [1] |
| Population Total: | 19763 |
| Population Blank1 Title: | Ethnicities |
| Utc Offset: | +0 |
| Coordinates: | 14.3519°N -4.9569°W |
Diaka is a commune of the Cercle of Ténenkou in the Mopti Region of Mali. The principal village lies at Dia. In 2009 the commune had a population of 19,763.