Family name Mahefasoa (Mahefasoa 
) , all around the world, is a rare cognomen. The cognomen Mahefasoa is habitual in Madagascar, where it is quite a rare surname, and France, where it is an extremely rare surname. Very seldom, Mahefasoa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahefasoa | France, Madagascar |