Last name Kost (Kost 
, Кость 
, Kostr 
) , worldwide, is a common cognomen. The cognomen Kost is characteristic of Ukraine, where it is quite a rare surname, Switzerland, and Germany. Measured by absolute frequency, this name is the most popular in Germany, the United States, and Ukraine. Much less frequently, Kost is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kost | Germany, France, Poland, United States, Indonesia |
| Кость | Ukraine, Kazakhstan, Belarus, Russia, Poland |
| Kostr | Germany, Poland, United States, Russia, Ethiopia |
| Кост | Kazakhstan, Russia, Ukraine |
| johann gotthilf kost (b. 1678) |
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| ernst kost (b. 1705) |
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| johann friedrich kost (b. 1763) |
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| wendelin kost (1797-1876), CH (b. 1797) |
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| julius kost DE (b. 1807) |
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kost voevidka CZ (b. 1891) |
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| heinrich kost (b. 1855) |
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| frederick w. kost American artist, 1865-1923, US (b. 1865) |
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| kost paftali Albanian politician, AL (b. 1884) |
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| alfred kost CH (b. 1876) |
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| kost shylo RU (b. 1879) |
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| heinrich kost German engineer and manager (1890-1978), DE (b. 1890) |
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| albert kost German politician (1897-1947), DE (b. 1897) |
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rudi kost German journalist and publisher, DE (b. 1949) |
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| emil kost DE (b. 1891) |
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