Last name Mentira (Mintira 
, Mentiri 
, Mentira 
) , in all the world, is a very rare family name. The last name Mentira is characteristic of Spain, where it is a very rare surname, India, where it is an extremely rare surname, and Argentina. In absolute terms, the name is most common in India, Spain, and Philippines. More prevalently, Mentira is the forename as well as the last name.