In the entire world, Houessou (Houssou 
, Houessou 
) is a rare predominantly masculine, but very seldom female first name. The forename Houessou is habitual in Ethiopia, where it is a rare boy's name, Algeria, and Nigeria, where it is a very rare gender-neutral name. More frequently, Houessou is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Houssou | Ethiopia, Algeria, Ivory Coast, Togo, Benin |
| Houessou | Ethiopia, Ivory Coast, Togo, France, Benin |