Surname Mesterházy (Mesterházy 
) , all around the world, is a very rare cognomen. The cognomen Mesterházy is habitual in Eastern Europe, particularly Hungary, where it is a rare surname. Much less frequently, Mesterházy is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mesterházy | Hungary |
| mesterházy lajos HU (b. 1743) |
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mesterházy istván Hungarian military officer (1811-1854), HU (b. 1811) |
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kálmán mesterházy RS (b. 1857) |
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| mesterházy sándor (b. 1862) |
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mesterházy gyula Hungarian actor, HU (b. 1974) |
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attila mesterházy Hungarian politician, HU (b. 1974) |
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| mesterházy ákos Hungarian academic, HU (b. 1945) |
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| mesterházy ernő Hungarian politician, HU (b. 1963) |
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| attila mesterházy botanist |
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| mesterházy balázs (b. 1974) |
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