Cognomen Havlák (Havlák 
) , all over the world, is a very rare family name. The family name Havlák is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Havlák | Czechia |
| edvard havlák Czech journalist (1893-1933), CZ (b. 1893) |
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| lubomír havlák Czech opera singer, CZ (b. 1921) |
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| lubomír havlák Czech violinist, CZ (b. 1958) |
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