Family name Boncz (Boncz 
) , in the entire world, is a rare cognomen. The family name Boncz is habitual in Hungary, where it is quite a rare surname, Romania, where it is a rare surname, and Denmark. In absolute terms, it is the most numerous in Hungary, the United States, and Romania. Very seldom, Boncz is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Boncz | Germany, Romania, Hungary, United States, Denmark |
| ödön boncz SK (b. 1858) |
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boncz géza HU (b. 1944) |
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| peter boncz computer scientist (b. 1970) |
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| imre boncz researcher |
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| marc árpád boncz researcher (ORCID 0000-0001-7618-8685) |
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| boncz ádám actor, HU (b. 1984) |
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Mr, Bence, Betti, Kathy, Perry, Peter, Gabor, Geoff, Géza, Laura, Balã, Lajos, Terry, Timea, Edith, Erika, Ernö, Endre, Emily, Frank, Margie, James, Amber, Anita, Sofia, Ms, Ana, Kim, Jim, Marc, Sean, Adam, Bobe, Bogi, Paul, Roni, Jani, John, Todd, Teri, Edit, Emil, Imre, Zane, Zoli, Éva, Sandra, and Alison