Family name Leuenberger (Leuenberger 
, Лойенбергер 
) , in the entire world, is quite a common last name. The cognomen Leuenberger is characteristic of Switzerland, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Argentina, where it is a rare surname. In absolute terms, the name is most common in Switzerland, the United States, and Germany. Much less frequently, Leuenberger is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Leuenberger | Switzerland, France, United States, Argentina, Germany |
| Лойенбергер | Russia |
| jakob leuenberger Swiss politician (1823-1871), CH (b. 1823) |
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| rudolf leuenberger CH (b. 1830) |
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| joel leuenberger (1847-1924), CH (b. 1847) |
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| ernst otto leuenberger Swiss painter (1856-1937), CH (b. 1856) |
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| fritz leuenberger swiss apiarist, teacher, CH (b. 1860) |
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| jakob leuenberger Swiss politician (1861-1948), CH (b. 1861) |
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| walter leuenberger (1885-1964), CH (b. 1885) |
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ernst leuenberger Swiss politician (1945-2009), CH (b. 1945) |
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moritz leuenberger former member of the Swiss Federal Council, CH (b. 1946) |
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| ernst leuenberger Swiss trade union leader, CH (b. 1900) |
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| hermann leuenberger Swiss politician (1901-1975), CH (b. 1901) |
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ueli leuenberger Swiss politician, CH (b. 1952) |
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| robert leuenberger Swiss theologian (1916-2004), CH (b. 1916) |
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| hans leuenberger (b. 1909) |
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| hans leuenberger CH (b. 1909) |
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