Globally, Dia-Moussahoua (Dia-Moussahoua 
) is an extremely rare unknown gender given name. Much more frequently, Dia-Moussahoua is the last name as well as the forename. Parts of the name also exists independently as a last name Dia, and a last name Moussahoua.
| VARIANT | COUNTRY |
|---|---|
| Dia-Moussahoua | Democratic Republic of the Congo |