Cognomen Danaj (Danaj 
, Данай 
) , worldwide, is quite a rare family name. The last name Danaj is habitual in Albania, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Greece. Also, Danaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Danaj | Poland, Slovakia, Greece, Italy, Albania |
| Данай | Ukraine, Kyrgyzstan, Russia, Kazakhstan |
| miroslav danaj (b. 1946) |
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| koço danaj (b. 1951) |
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| kamila danaj Polish speed skater (b. 1987) |
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| sadush danaj Albanian Footballer, AL (b. 1988) |
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| ruben danaj association football player, AL (b. 1994) |
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