Cognomen Kountz (Kountz 
) , around the world, is a rare surname. The last name Kountz is characteristic of the United States, where it is a rare surname, Germany, where it is a very rare surname, and New Zealand. Not in comparison with a country's population, this name is the most popular in the United States, Germany, and Mexico.
| VARIANT | COUNTRY |
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| Kountz | Germany, Mexico, United States, Canada, France |
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william j. kountz steamboat entrepreneur, US (b. 1817) |
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john s. kountz Union Army Medal of Honor recipient (1846-1909), US (b. 1846) |
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billy kountz American-football player and author, US (b. 1867) |
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| richard kountz American composer, US (b. 1896) |
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| samuel l. kountz American surgeon, US (b. 1930) |
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| jochen kountz chess player (b. 1968) |
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| daniel kountz American actor, US (b. 1978) |
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