Last name Altdorfer (Altdorfer 
) , throughout the world, is a very rare cognomen. The last name Altdorfer is habitual in Austria, where it is a rare surname, Belgium, and Hungary, where it is a very rare surname. Measured by absolute frequency, the name is most common in the United States, Belgium, and Austria. Also, Altdorfer is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Altdorfer | Belgium, Poland, Austria, United States, Germany |
| georg altdorfer German canon, DE (b. 1437) |
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| erhard altdorfer German artist (1480-1561), DE (b. 1480) |
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| johann jacob altdorfer Swiss theologian, preacher and university professor (1741-1804), CH (b. 1741) |
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| johann jacob altdorfer (1754-1829), CH (b. 1754) |
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| štefan altdorfer SK (b. 1856) |
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| altdorfer károly HU (b. 1916) |
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| antoine altdorfer researcher |
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| ulrich altdorfer |
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| pius altdorfer |
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