Family name Halassy (Halassy 
) , in the world, is a rare cognomen. The surname Halassy is characteristic of Hungary, where it is quite a rare surname, Croatia, where it is a very rare surname, and Canada. Not in comparison with a country's population, it is the most numerous in Hungary, Canada, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Halassy | Hungary, Croatia, United States, Argentina, Canada |
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halassy mariska Hungarian actress, HU (b. 1885) |
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| lőrinc halassy (b. 1833) |
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halassy olivér Hungarian water polo player, HU (b. 1909) |
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| halassy iván actor, HU (b. 1908) |
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| paula halassy Peerage person ID=704605 |
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| melinda halassy researcher |
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| beata halassy researcher |
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| roman von halassy |
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