Family name Fonó (Fonó 
) , in the entire world, is a very rare surname. The cognomen Fonó is characteristic of Eastern Europe, particularly Hungary, where it is a rare surname.
| fonó albert Hungarian engineer, HU (b. 1881) |
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| lajos fonó (b. 1889) |
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| fonó renée HU (b. 1908) |
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| lászló fonó Hungarian tennis player (b. 1981) |
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