Last name Ludwiger (Ludwiger 
) , throughout the world, is a rare surname. The cognomen Ludwiger is characteristic of Austria, where it is a rare surname, Switzerland, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Western Europe, particularly Austria, Germany, and Switzerland.
| VARIANT | COUNTRY |
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| Ludwiger | Australia, Germany, Switzerland, United States, Austria |
| ludwig erasmus ludwiger DE (b. 1620) |
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| hans gottlob von ludwiger DE (b. 1685) |
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| gustav von ludwiger DE (b. 1797) |
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| hans gottlob karl von ludwiger German politician (1877-1966), DE (b. 1877) |
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