Surname Takaoka (Takaoka 
) , around the globe, is quite a rare cognomen. The last name Takaoka is characteristic of Hong Kong, where it is a rare surname, Afghanistan, and Brazil. In absolute terms, it is the most numerous in Brazil, Japan, and the United States. Much less frequently, Takaoka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Takaoka | Brazil, United States, Afghanistan, Japan, China |
| yaritarō takaoka (b. 1846) |
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| yoshiya takaoka Brazilian painter (1909-1978), BR (b. 1909) |
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| katsura takaoka badminton player, JP (b. 1952) |
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| yoshio sergio takaoka politician from Brazil, BR (b. 1961) |
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| yutaka takaoka researcher (ORCID 0000-0001-7568-8135) |
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| shohei takaoka researcher (ORCID 0000-0001-7690-9120) |
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| yousuke takaoka researcher (ORCID 0000-0003-1559-4924) |
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| hiroyuki takaoka researcher |
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| katsuyoshi takaoka researcher |
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| alyson takaoka researcher |
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| taiki takaoka researcher (ORCID 0000-0002-2667-8923) |
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| h. takaoka Japanese entomologist, JP |
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| ryota takaoka researcher |
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| anna takaoka researcher (ORCID 0000-0002-1554-3417) |
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| ei-ichiro takaoka researcher |
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