Cognomen Фаддеев (Фаддеев 
, Faddeev 
) , all over the world, is a rare family name. The last name Фаддеев is characteristic of Russia, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Фаддеев | Kazakhstan, Russia |
| Faddeev | Ukraine, Russia |
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фаддеев, фёдор иванович RU (b. 1892) |
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дмитрий константинович фаддеев Soviet mathematician, RU (b. 1907) |
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людвиг дмитриевич фаддеев Russian mathematician and physicist, RU (b. 1934) |
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| фаддеев, алексей евгеньевич RU (b. 1977) |
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