Surname Buoncristiani (Buoncristiani 
) , worldwide, is a rare family name. The cognomen Buoncristiani is characteristic of Italy, where it is a rare surname, France, where it is a very rare surname, and Argentina. In absolute terms, it is the most numerous in Italy, the United States, and France. Much less frequently, Buoncristiani is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Buoncristiani | Italy, United States, Argentina, Canada, France |
| alberto buoncristiani Italian catholic bishop (b. 1400) |
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antonio buoncristiani Italian archbishop, IT (b. 1943) |
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| adrian buoncristiani American basketball coach, US (b. 1940) |
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| lance buoncristiani college basketball player (2000–2000) Idaho |
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Mai, Hugo, Yann, Mario, Marta, Marco, Mauro, Molly, Mindy, Sarah, Sonia, Scott, Alice, Aaron, Chris, Carlo, Carla, Carol, Clara, Bella, Bruno, Kathy, Emma, Nina, Tina, Toni, Ana, Ann, Amy, Leo, Jay, Matt, Aldo, Anna, Aida, Keri, Paola, Rene, Dave, Dawn, Doni, Lisa, Lori, Luca, John, Jean, Juri, Tony, Rita, and Paolo