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Cognomen Ottaviani (Ottaviani , Оттавиани ) , around the globe, is a common surname. The family name Ottaviani is habitual in San Marino, where it is quite a common surname, Italy, and Luxembourg, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Italy, Argentina, and France. Much less frequently, Ottaviani is the forename as well as the last name.