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Surname Odio (Odio , Odium ) , all over the world, is quite a rare family name. The cognomen Odio is characteristic of Costa Rica, where it is quite a common surname, Cuba, where it is quite a rare surname, and Philippines, where it is a rare surname. Measured by absolute frequency, the name is most common in Nigeria, Costa Rica, and Cuba. Very seldom, Odio is the forename as well as the last name.