Cognomen Buongiorno (Buongiorno 
) , in the world, is quite a rare family name. The last name Buongiorno is characteristic of Italy, where it is quite a rare surname, Uruguay, and Argentina, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Italy, Argentina, and the United States. Much less frequently, Buongiorno is the forename as well as the last name.
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| Buongiorno | Uruguay, Italy, United States, Argentina, France |
| crescenzo buongiorno Italian composer (1864-1903), IT (b. 1864) |
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| donatus buongiorno American painter, IT (b. 1865) |
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| carlo buongiorno Engineer Italian, the first director general of the 'Italian Space Agency'., IT (b. 1930) |
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| teresa buongiorno veroi Italian writer (1930-2022), IT (b. 1930) |
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| nello buongiorno Italian singer., IT (b. 1946) |
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| maria fabrizia buongiorno researcher ORCID ID = 0000-0002-6095-6974 |
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| erasmo buongiorno researcher |
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| claudia buongiorno researcher |
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| jacopo buongiorno Professor of Nuclear Science and Engineering at the Massachusetts Institute of Technology |
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| domenico buongiorno researcher, ORCID id # 0000-0002-2024-5369 |
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| m. buongiorno researcher |
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| joy buongiorno researcher (ORCID 0000-0002-7442-0599) |
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| pierangelo buongiorno Italian jurist (1981-), IT (b. 1981) |
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| federica buongiorno Italian philosopher and translator (1985-), IT (b. 1985) |
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| diego buongiorno IT (b. 1976) |
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