Surname Bujna (Bujna 
) , globally, is a rare last name. The family name Bujna is characteristic of Eastern Europe, particularly Slovakia, where it is quite a common surname, Hungary, where it is quite a rare surname, and Poland, where it is a rare surname. Much less frequently, Bujna is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Bujna | Poland, Hungary, Slovakia, United States, Germany |
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ivan bujna SK (b. 1881) |
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| martin bujna Slovak writer (1845-1923), SK (b. 1845) |
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| jozef bujna (b. 1949) |
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| lukáš bujna CZ (b. 1979) |
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| claudia bujna German association football player, DE (b. 1991) |
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| marián bujna (b. 1982) |
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| simon bujna Slovakian sprinter, SK (b. 1995) |
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