| Diangassagou | |
| Settlement Type: | 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: | Mopti Region |
| Subdivision Type2: | Cercle |
| Subdivision Name2: | Bandiagara Cercle |
| Subdivision Type3: | Commune |
| Subdivision Name3: | Timniri |
| Population Blank1 Title: | Ethnicities |
| Utc Offset: | +0 |
| Coordinates: | 13.9961°N -3.9411°W |
Diangassagou (also spelled Diemessogou; locally pronounced Jèmè-sùgû:) is a village and seat of the commune of Timniri in the Cercle of Bandiagara of the Mopti Region of southern-central Mali.[1]
Diangassagou consists of a compact village cluster located on a plateau. An old iron ore quarry is located in the vicinity of Diangassagou. Tomo Kan is spoken in the village of Diangassagou. Local surnames are Minta, Sanafo, Toulema, and Pamatek.[2]