Last name Kataoka (カタオカ 
, Kataoka 
, Катаока 
) , all over the world, is quite a rare surname. The cognomen Kataoka is habitual in Singapore, where it is a rare surname, Japan, and Czechia. Measured by absolute frequency, the name is most common in Brazil, Japan, and the United States. More prevalently, Kataoka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| カタオカ | Japan |
| Kataoka | Indonesia, Japan, China, Brazil, United States |
| Катаока | Ukraine, Russia |
| kataoka gengoemon (b. 1667) |
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| kataoka ichizō iii (b. 1851) |
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| kataoka ichizō iv (b. 1880) |
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| kyūhachi kataoka (b. 1884) |
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| torajiro kataoka Japanese water polo player (b. 1915) |
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| tatsuichi kataoka (b. 1909) |
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drue kataoka visual artist, US |
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| isao kataoka Japanese ice hockey administrator (1936-2015), JP (b. 1936) |
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| masayoshi kataoka (b. 1930) |
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| ignatia rumiko kataoka (b. 1942) |
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| toshiaki kataoka (b. 1948) |
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| yoshihiro kataoka Japanese rally driver, JP (b. 1961) |
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| mike kataoka (b. 1952) |
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| kataoka shinnosuke i (b. 1967) |
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| takenori kataoka Ph.D. University of Tokyo 2019 |
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