| Intro | Prefect of the what is now the Roman Catholic Diocese of Tambacounda, Senegal |
| Was | Priest |
| From |
France Senegal |
| Type | Religion |
| Gender | male |
| Birth |
27 July 1923 |
| Death |
21 July 2011, Chevilly-Larue |
Clément Cailleau C.S.Sp. (July 27, 1923 – July 21, 2011) was a French-born prelate. Cailleau served as the Prefect of what is now the Roman Catholic Diocese of Tambacounda in Senegal from August 13, 1970, until April 24, 1986. Tambacounda was elevated to a full Catholic diocese in 1989.
Cailleau was born in Nueil-sur-Layon, France, on July 27, 1923. He was ordained a Catholic priest of the Holy Ghost Fathers on October 1, 1950. He died as the Prefect emeritus of Tambacounda on July 21, 2011, at the age of 87.