Surname Elschnig (Elschnig 
) , across the world, is a very rare last name. The cognomen Elschnig is habitual in Germany, where it is a very rare surname, and Venezuela, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Elschnig | Germany, Venezuela |
| marietta elschnig Austrian pianist and piano teacher, AT (b. 1860) |
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| anton elschnig Austrian ophthalmologist, AT (b. 1863) |
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