Surname Blattný (Blattný 
) , in all the world, is a very rare family name. The cognomen Blattný is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Blattný | Czechia |
| ctibor blattný Czech botanist and entomologist (1897-1978), CZ (b. 1897) |
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| ctibor blattný CZ (b. 1928) |
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| pavel blattný CZ (b. 1947) |
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| pavel blattný CZ (b. 1947) |
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| wladimir blattný entomologist |
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