Last name Inosencio (Inosencio 
) , in the world, is quite a rare surname. The cognomen Inosencio 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 Nicaragua. In absolute terms, the name is most common in Mexico, the United States, and Peru. Also, Inosencio is the forename as well as the last name.