Family name Trnovský (Trnovský 
) , all over the world, is a very rare surname. The surname Trnovský is characteristic of Eastern Europe, particularly Slovakia, where it is a rare surname, and Czechia.
| VARIANT | COUNTRY |
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| Trnovský | Czechia, Slovakia |
| jan trnovský CZ (b. 1864) |
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| ján trnovský SK (b. 1886) |
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| ján trnovský Slovakian Righteous Among the Nations, SK (b. 1901) |
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| karol trnovský SK (b. 1903) |
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| mirko trnovský SK (b. 1905) |
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| ivan trnovský (b. 1944) |
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| jaroslav trnovský (b. 1957) |
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| martin trnovský football player, SK |
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