Family name Koschat (Koschat 
) , all around the world, is a rare cognomen. The family name Koschat is habitual in Austria, where it is quite a rare surname, Spain, where it is a very rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koschat | Germany, Austria, Spain |
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thomas koschat Austrian composer and choirmaster (1845-1914), AT (b. 1845) |
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florian koschat Austrian entrepreneur and investment banker, AT (b. 1974) |
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| martin anselm koschat Ph.D. University of Wisconsin-Madison 1984 |
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| lisa maria koschat AT (b. 1985) |
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