Surname Montjuich (Montjuich 
) , in the entire world, is an extremely rare cognomen. The last name Montjuich is habitual in Spain, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Montjuich is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Montjuich | United States, Spain |