Family name Manantsoa (Manantsoa 
) , in the world, is quite a rare cognomen. The family name Manantsoa is characteristic of Madagascar, where it is quite a rare surname, and France, where it is a very rare surname. Likewise, Manantsoa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Manantsoa | United States, Madagascar, France |