Family name Mullner (Mullner 
) , worldwide, is quite a rare surname. The family name Mullner is characteristic of Hungary, where it is quite a rare surname, Austria, and Slovakia. Not in comparison with a country's population, it is the most numerous in Hungary, Austria, and the United States. Very seldom, Mullner is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mullner | Austria, Hungary, Slovakia, Czechia, United States |
| lubomír mullner (b. 1938) |
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| imre mullner chess player (b. 1951) |
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| martina mullner AT (b. 1955) |
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| franz mullner AT (b. 1957) |
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| robert mullner AT (b. 1958) |
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| werner mullner AT (b. 1962) |
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| pankraz mullner |
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| fomia mullner |
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