Surname Avalo (Aval 
, Avalo , Avallo 
) , throughout the world, is quite a common cognomen. The surname Avalo is characteristic of Latin America and the Caribbean, particularly Argentina, where it is quite a rare surname, the Dominican Republic, and Peru. Measured by absolute frequency, it is commonest in Argentina, Peru, and India. Much less frequently, Avalo is the forename as well as the last name.