Family name Ploner (Ploner 
) , worldwide, is quite a rare cognomen. The cognomen Ploner is habitual in Austria, where it is quite a rare surname, Italy, and Slovakia, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Italy, Austria, and Germany. Much less frequently, Ploner is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ploner | Italy, Switzerland, Slovakia, Germany, Austria |
| matie ploner (b. 1770) |
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| mathias ploner IT (b. 1770) |
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| luigi ploner Italian dramatist (1801-1856), IT (b. 1801) |
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| josef ploner musician and organist, IT (b. 1841) |
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| jan batista ploner (b. 1848) |
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| p. innozenz ploner (b. 1865) |
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| luigi ploner IT (b. 1871) |
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| josef eduard ploner Austrian conductor and musicologist, AT (b. 1894) |
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| sebastian ploner Austrian water polo player, AT (b. 1907) |
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| andreas ploner (b. 1903) |
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jean-georges ploner (b. 1956) |
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andreas ploner Austrian snooker player, AT (b. 1993) |
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| pierre ploner French politician, FR (b. 1957) |
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| giuseppe ploner Italian cross-country skier, IT (b. 1959) |
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| franz ploner IT (b. 1954) |
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