Last name Mardonio (Mardonio 
) , around the world, is quite a rare family name. The last name Mardonio is characteristic of Latin America and the Caribbean, particularly Mexico, where it is quite a rare surname, Honduras, where it is a rare surname, and Peru. In absolute terms, the name is most common in Latin America and the Caribbean, particularly Mexico, Peru, and Venezuela. Likewise, Mardonio is the forename as well as the last name.