Surname Jůna (Jůna 
) , all over the world, is a very rare cognomen. The surname Jůna is habitual in Eastern Europe, particularly Czechia, where it is a rare surname.
| jindřich jůna CZ (b. 1882) |
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| jan jůna CZ (b. 1956) |
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| martin jůna CZ (b. 1989) |
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