Family name Debreceni (Debreceni 
) , across the world, is quite a rare last name. The cognomen Debreceni is habitual in Eastern Europe, particularly Hungary, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Czechia, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Hungary, the United States, and Slovakia. Very seldom, Debreceni is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Debreceni | Hungary, Slovakia, United States, Czechia, Canada |
Debreczeni, Дебрецени, and Дебрецені
| debreceni ember pál HU (b. 1660) |
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debreceni kiss lajos Hungarian musician (1902-1951), HU (b. 1902) |
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debreceni andrás Hungarian association football player, HU (b. 1989) |
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debreceni boglárka HU (b. 1981) |
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| debreceni tibor cyclist, HU (b. 1946) |
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| éva debreceni Romanian journalist, RO (b. 1957) |
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| istván debreceni - 1389 |
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| ilona debreceni - Aft 1429 |
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| ivy l debreceni researcher |
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