Surname Brzák (Brzák 
, Брзак 
) , throughout the world, is a rare cognomen. The cognomen Brzák is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Brzák | Czechia |
| Брзак | Ukraine |
| jan brzák Czechoslovak canoeist, speed canoeist and water slalomist (1912-1988), CZ (b. 1912) |
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| františek brzák Czechoslovak canoeist, CZ (b. 1915) |
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| vlastimil brzák CZ (b. 1920) |
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| ivo brzák (b. 1925) |
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| jan brzák CZ (b. 1931) |
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| josef brzák (b. 1945) |
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| michal brzák Czech poet, CZ (b. 1963) |
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