Surname Calidou (Calidou 
) , all over the world, is a rare last name. The cognomen Calidou is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare surname. Much less frequently, Calidou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Calidou | Democratic Republic of the Congo, France |