Surname Famenontsoa (Famenontsoa 
) , worldwide, is a rare last name. The family name Famenontsoa is characteristic of Sub-Saharan Africa, particularly Madagascar, where it is quite a rare surname. Also, Famenontsoa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Famenontsoa | France, Madagascar |