| Intro | Roman Catholic bishop |
| Was | Priest |
| From | Mali |
| Type | Religion |
| Gender | male |
| Birth | 8 June 1936, Bobo Dioulasso, Houet Province, Hauts-Bassins Region, Burkina Faso |
| Death |
23 October 2011 (aged 75 years) |
Joseph Dao (June 8, 1936 – October 23, 2011) was the Burkinabé-born Roman Catholic bishop of the Roman Catholic Diocese of Kayes, Mali.
Ordained to the priesthood in 1965, he became a bishop in 1978 retiring in 2011.