Cognomen Doukaina (Дукена 
, Doukaina 
, Дукина 
) , in the world, is a rare last name. The cognomen Doukaina is habitual in Bulgaria, where it is a rare surname, Russia, and Greece. Much less frequently, Doukaina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Дукена | Bulgaria |
| Doukaina | Greece |
| Дукина | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
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irene doukaina Empress consort of the Byzantine Empire (b. 1066) |
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| zoe doukaina Byzantine princess, daughter of Constantine X Doukas (b. 1062) |
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| anna doukaina Byzantine noblewoman (b. 1068) |
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irene komnene doukaina Empress consort of Bulgaria (b. 1220) |
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| anna komnene doukaina Princess-consort of the Principality of Achaea (b. 1201) |
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| anna angelina komnene doukaina queen consort of Serbia |
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| anna doukaina Byzantine princess, eldest daughter of Constantine X Doucas |
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| zoe doukaina Peerage person ID=220028 |
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| anna doukaina |
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| maria angelina komnene doukaina |
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