Family name Hacar (Hacar 
) , in all the world, is a rare cognomen. The family name Hacar is habitual in Slovakia, where it is quite a rare surname, Czechia, where it is a rare surname, and Philippines. Not in comparison with a country's population, it is commonest in Philippines, Turkey, and Slovakia. Also, Hacar is the forename as well as the last name.
| bohumil hacar Czechoslovak astronomer, CZ (b. 1886) |
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| bedřich hacar Czech architect (1893-1963), CZ (b. 1893) |
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| manuel p. hacar rodríguez Spanish geologist, ES |
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| álvaro hacar Spanish astrophysicist, ES |
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