Last name Manti-Gualtiero (Manti-Gualtiero 
) , around the world, is an extremely rare family name. The last name Manti-Gualtiero is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a first name Manti, and a first name Gualtiero.
| VARIANT | COUNTRY |
|---|---|
| Manti-Gualtiero | United States |