Family name Tešnar (Tešnar 
) , globally, is a very rare surname. The surname Tešnar is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| dušan tešnar Czech member of Czech Parliament (1996–2002) and local politician, CZ (b. 1945) |
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| petr tešnar (b. 1944) |
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