Cognomen Černušák (Černušák 
) , in the world, is a very rare last name. The family name Černušák is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Černušák | Czechia |
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gracian černušák Czech lexicographer, musicologist, publicist, educator, publicist, university educator and singer (1882-1961), CZ (b. 1882) |
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| vladimír černušák Slovakian sports official (1921-2018), SK (b. 1921) |
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| karel černušák CZ (b. 1914) |
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| ivan černušák researcher |
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| tomáš černušák SK (b. 1972) |
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| michal černušák (b. 1982) |
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