Last name Šlosar (Šlosar 
) , throughout the world, is a rare cognomen. The last name Šlosar is characteristic of Czechia, where it is a rare surname, Croatia, and Slovenia.
| dušan šlosar Czech linguist (1930-2020), CZ (b. 1930) |
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| ivo šlosar CZ (b. 1934) |
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| jaromír šlosar CZ (b. 1953) |
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| luka šlosar researcher |
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| luka šlosar SI |
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