Cognomen Harrer (Harrer 
, הרר 
, Харрер 
) , in the entire world, is quite a common family name. The family name Harrer is habitual in Austria, where it is quite a common surname, Germany, where it is quite a rare surname, and Israel. Measured by absolute frequency, it is the most numerous in Germany, Austria, and the United States. Much less frequently, Harrer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Harrer | Germany, Austria, France, United States, Hungary |
| הרר | Israel |
| Харрер | Ukraine |
| hans harrer German manufacturer, DE (b. 1530) |
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| franc harrer SI (b. 1609) |
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| jakob harrer (b. 1644) |
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| johann gottlob harrer German composer, DE (b. 1703) |
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| emanuel theophil harrer (b. 1714) |
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| johann christoph harrer (b. 1716) |
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| hubert von harrer 1726-1793; war Professor in Heidelberg; Dt. Arzt, Gerichtsmediziner (b. 1726) |
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| georg albrecht harrer German entomologist (1753–1822), DE (b. 1753) |
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ignaz harrer Austrian jurist and notary (1826-1905), AT (b. 1826) |
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harrer pál mayor (1829-1914), HU (b. 1829) |
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| anton harrer German author and architect, DE (b. 1817) |
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harrer ferenc Hungarian politician (1874-1969), HU (b. 1874) |
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| hugo harrer German painter, DE (b. 1836) |
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| jan harrer CZ (b. 1826) |
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karl harrer German journalist and politician (1890-1926), DE (b. 1890) |
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