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Cognomen Alfonzo (Alfonzo
, الفونسو) , in the world, is a common family name. The cognomen Alfonzo is habitual in Latin America and the Caribbean, particularly Paraguay, where it is quite a common surname, Venezuela, and Argentina. Measured by absolute frequency, it most frequently occurs in Latin America and the Caribbean, particularly Venezuela, Argentina, and Mexico. Likewise, Alfonzo is the forename as well as the last name.