Cognomen Schlichtinger (Schlichtinger 
) , in the world, is a rare family name. The cognomen Schlichtinger is characteristic of Austria, where it is a rare surname, Germany, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Schlichtinger is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Schlichtinger | United States, Austria, Germany, Poland |
| johann schlichtinger CZ (b. 1729) |
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| wolfgang schlichtinger AT (b. 1745) |
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bronisław schlichtinger lieutenant colonel of the Polish Army, PL (b. 1900) |
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| rudolf schlichtinger German politician (1915-1994), DE (b. 1915) |
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| agnieszka matylda schlichtinger researcher (ORCID 0000-0002-7408-3078) |
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