Family name Boldizsár (Boldizsár 
, Boldizsar 
, Boldijar 
) , across the world, is quite a common last name. The cognomen Boldizsár is habitual in Hungary, where it is quite a common surname, Romania, where it is quite a rare surname, and Serbia, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Hungary, Romania, and Afghanistan. Very seldom, Boldizsár is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Boldizsár | Hungary, Germany, Serbia, United States, Romania |
| Boldizsar | Hungary, Italy, United States, Afghanistan, Romania |
| Boldijar | Hungary, Italy, Spain, United States, Romania |
| Балтазар | Kazakhstan, Ukraine, Russia |
| boldizsár bornemisza Hungarian nobleman, landlord (b. 1450) |
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| kornis boldizsár Transylvanian nobleman (?-1616) (b. 1581) |
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| boldizsár wesselényi de gyeke 1589 - 1646 (b. 1589) |
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| bartha boldizsár HU (b. 1623) |
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| macskási boldizsár HU (b. 1640) |
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| boldizsár petrichevich-horváth politician, RO (b. 1714) |
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| inkey boldizsár HU (b. 1726) |
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adorján boldizsár Hungarian lawyer, poet (1820–1867), HU (b. 1820) |
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horvát boldizsár Hungarian politician (1822-1898), HU (b. 1822) |
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| boldizsár forintos (b. 1768) |
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| olgyay boldizsár SK (b. 1779) |
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| tallián boldizsár HU (b. 1781) |
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| bárány boldizsár Hungarian playwright, solicitor (1793-1860), HU (b. 1793) |
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schmidt boldizsár head teacher, educational writer (1845–1918), HU (b. 1845) |
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| boldizsár ferenc Hungarian actor, HU (b. 1816) |
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