Family name Okano (オカノ 
, Okano 
, Окано 
) , in the entire world, is quite a rare last name. The last name Okano is habitual in Japan, where it is a rare surname, Singapore, and Brazil. Not in comparison with a country's population, it is commonest in Brazil, Japan, and the United States. More prevalently, Okano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| オカノ | Japan |
| Okano | Brazil, United States, Indonesia, Japan, China |
| Окано | Russia |
| naoshichirō okano (b. 1896) |
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| atsuo okano (b. 1910) |
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| saburō okano (b. 1918) |
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| haruko okano Canadian mixed-media artist and poet, CA (b. 1945) |
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| hitoshi okano (b. 1950) |
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| fumio okano (b. 1952) |
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| yuji okano Japanese shot putter, JP (b. 1964) |
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| edelyn okano Canadian actress, CA (b. 1978) |
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| kenji okano researcher |
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| hiroshi okano researcher (ORCID 0000-0003-3612-7364) |
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| yōichi okano Japanese comedian |
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| kaori okano researcher (japanese) linguistic anthropology |
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| tetsuo okano Japanese entomologist, JP |
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| bárbara silva okano researcher (ORCID 0000-0003-4959-3946) |
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| kozue okano researcher |
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