Last name Elpidio (Elpidio 
, Elpidius 
, Elpídio ) , worldwide, is a common cognomen. The cognomen Elpidio is habitual in Mexico, where it is quite a common surname, Venezuela, where it is quite a rare surname, and Spain. In absolute terms, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Brazil, and Venezuela. More frequently, Elpidio is the forename as well as the last name.