Last name Montemuino (Montemuino 
) , in the entire world, is a very rare family name. The last name Montemuino is habitual in the United States, where it is an extremely rare surname, and Brazil. Very seldom, Montemuino is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Montemuino | Brazil, United States |