Family name Plecháč (Plecháč 
) , in the world, is a rare cognomen. The family name Plecháč is habitual in Eastern Europe, particularly Czechia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Plecháč | Czechia |
Plechac, and Plecháčová
| miroslav plecháč CZ (b. 1900) |
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| františek plecháč Czechoslovak member of Czechoslovak national parliament and Czechoslovak politician, CZ (b. 1919) |
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| vladimír plecháč CZ (b. 1922) |
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| jan plecháč (b. 1966) |
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