Last name Iuga (Iuga 
, Юга 
) , all over the world, is quite a common family name. The cognomen Iuga is characteristic of Aland Islands, where it is quite a common surname, Romania, and Moldova, where it is quite a rare surname. In absolute terms, the name is most common in Romania, Brazil, and Italy. Much less frequently, Iuga is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Iuga | Spain, Brazil, Italy, Afghanistan, Romania |
| Юга | Kyrgyzstan, Russia, Ukraine |
| iuga of moldavia Prince of Moldova (b. 1350) |
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| elie iuga RO (b. 1861) |
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nora iuga Romanian poet, writer and translator, RO (b. 1931) |
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| gavrilă iuga RO (b. 1880) |
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dan iuga Romanian sport shooter, RO (b. 1945) |
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nicolae iuga Romanian journalist, RO (b. 1953) |
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ionel iuga (b. 1954) |
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| dumitru iuga Romanian trade unionist, RO (b. 1942) |
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| mircea iuga General Prosecutor of Moldova (1999–2001), MD (b. 1943) |
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| petru iuga Romanian musician, RO (b. 1974) |
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| petru iuga Romanian politician from Vârfuri, Dâmbovița County, RO |
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| vasile iuga Romanian politician from Ciceu-Giurgești, Bistrița-Năsăud County, RO |
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| mădălina iuga researcher, RO |
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| dinu iuga researcher |
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| cristina-adela iuga researcher ORCID ID = 0000-0002-0345-0993, RO |
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Mr, Geta, Greg, Lara, Lena, Lili, Lius, Luis, Jaci, Jair, Jose, John, Joao, Timy, Tica, Nana, Nair, Nick, Nica, Nicu, Nina, Nita, Doru, Nora, Dina, Ruan, Ms, Mia, Ana, Adi, Dan, Dam, Nic, Eva, Ion, Simi, Alex, Alin, Anna, Anca, Paul, Radu, Raul, Robi, Roby, Remi, Rita, Dana, and Ella