Family name Mantuano Lucas (Mantuano Lucas 
) , all over the world, is a rare last name. The cognomen Mantuano Lucas is habitual in Ecuador, where it is a rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mantuano Lucas | Spain, Ecuador |
Manuel Isidoro, Silvia Marcia, Johanna Soledad, and Wilmer Alberto