Family name Tatu (Tatu 
, タツ 
, Тату 
) , globally, is a common surname. The family name Tatu is characteristic of Romania, where it is quite a common surname, Moldova, where it is quite a rare surname, and Kenya. Not in comparison with a country's population, it most frequently occurs in Romania, India, and Ethiopia. More prevalently, Tatu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tatu | Indonesia, Romania, Ethiopia, Tanzania, India |
| タツ | Japan |
| Тату | Azerbaijan, Kazakhstan, Russia, Kyrgyzstan, Ukraine |
| ตาตุ | Thailand |
| neculai-simeon tatu Romanian politician, RO (b. 1931) |
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| michel tatu French journalist, FR (b. 1933) |
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| luiz carlos tatu Brazilian association football player, BR (b. 1947) |
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| septimiu bujor tatu (b. 1937) |
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| michèle tatu French film critic (b. 1950) |
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| laurent tatu French physician, FR (b. 1965) |
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| mihaela tatu RO (b. 1963) |
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| utpal s. tatu IN (b. 1964) |
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| merve kızılırmak tatu researcher |
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| ionel tatu Romanian politician from Vâlcelele, Călărași County, RO |
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| a. tatu researcher |
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| karina tatu researcher |
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| alin laurentiu tatu researcher |
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| serioja ovidiu tatu researcher |
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| utpal tatu Indian biochemist |
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Ali, Khamis, Rajabu, Rashid, Hamisi, Hassan, Machano, Mohamed, Shabani, Abdalla, Bakari, Charles, Jumanne, Nassoro, Hassani, Hussein, Mohamedi, Suleiman, Selemani, Abdallah, Athumani, Rashidi, Silima, Shaban, Salumu, Ame, Ram, Musa, Said, Ally, John, Juma, Haji, Vuai, Issa, Iddi, Omar, Mussa, Salum, Saidi, Shija, Kombo, Hamis, Omari, Omary, Makame, Ramadhani, and Hämäläinen