Diagouraga is a surname. It can be found in France and the Republic of the Congo. Notable people with this surname include:
- Demba Diagouraga (born 1978), a French football player
- Fanta Diagouraga (born 2000), a Congolese handball player
- Mahamet Diagouraga (born 1984), a French former football player
- Toumani Diagouraga (born 1987), a French former football player