Surname Dadiani (Dadiani 
, Дадиани , Дадіані 
) , all around the world, is quite a rare last name. The cognomen Dadiani is characteristic of Georgia, where it is quite a common surname, Russia, where it is a rare surname, and Greece. In absolute terms, it is commonest in Georgia, Russia, and Ukraine. Much less frequently, Dadiani is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dadiani | Greece, Germany, Russia, Poland, Georgia |
| Дадиани | Russia |
| Дадіані | Ukraine |
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manuchar i dadiani prince of Mingrelia (b. 1501) |
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| katsia i dadiani (b. 1650) |
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| naum giorgi dadiani Mingrelian prince settled in Hungary (b. 1695) |
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| pyotr dadiani (1716-1784) (b. 1716) |
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| aleksandr dadiani (b. 1753) |
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| grigol dadiani prince of Mingrelia (b. 1770) |
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| didi-niko dadiani (b. 1764) |
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praskovya dadiani (1847-1919), GE (b. 1847) |
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nikoloz dadiani Georgian poet and writer, FR (b. 1878) |
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| aleksandra dadiani (b. 1822) |
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salomea dadiani (b. 1878) |
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| prince iossif yulioni dadiani (1863-1937) (b. 1863) |
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| natalia dadiani Moldovan teacher, MD (b. 1865) |
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| princess thamar dadiani (1877-1942) (b. 1877) |
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| princess salomé iossifovna dadiani (1912-1957) (b. 1912) |
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Mr, Bela, Beqa, Kate, Kato, Kaxa, Kote, Koba, Keso, Keti, Rati, Rezo, Dali, Data, Dato, Dada, Dodo, Dudu, Guga, Gela, Gigi, Giga, Anka, Anna, Alex, Sofo, Ms, Ia, Ana, Ani, Ada, Dea, Gal, Gia, Gio, Lia, Lana, Tea, Noa, Eka, Ika, Mari, Maia, Maka, Meri, Mzia, Sali, Saba, Nia, and Lali