Family name Antoniazzi (Antoniazzi 
) , throughout the world, is quite a common last name. The family name Antoniazzi is characteristic of Italy, where it is quite a rare surname, Argentina, and Switzerland, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Italy, Brazil, and Argentina. Much less frequently, Antoniazzi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Antoniazzi | France, Argentina, Italy, Brazil, United States |
Антониаззи, and Антоніаззі
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margherita antoniazzi IT (b. 1502) |
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antonio maria antoniazzi Italian astronomer, IT (b. 1872) |
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| gaetano antoniazzi Italian violin-maker (1825-1897), IT (b. 1825) |
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| riccardo antoniazzi Italian luthier, IT (b. 1853) |
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| romeo antoniazzi Italian luthier (1862-1925), IT (b. 1862) |
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renzo antoniazzi Italian politician (1930-2005), IT (b. 1930) |
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ilario antoniazzi Catholic archbishop, IT (b. 1948) |
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| elisabetta antoniazzi author (20th century) (b. 1901) |
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| maria antoniazzi Righteous Among the Nations (1902-1992), IT (b. 1902) |
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manon antoniazzi Welsh senior civil servant, GB (b. 1965) |
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tonia antoniazzi Welsh politician, Labour Party MP for Gower (born 1971), GB (b. 1971) |
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marco antoniazzi Italian film director and screenwriter, IT (b. 1972) |
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| jane antoniazzi Swedish actress (1927-2007), SE (b. 1927) |
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| françois antoniazzi (b. 1937) |
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| alberto antoniazzi (b. 1937) |
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