Family name Okitsu (Okitsu 
) , around the globe, is a very rare cognomen. The family name Okitsu is characteristic of Malaysia, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. In absolute terms, it is commonest in the United States, Brazil, and Malaysia. Likewise, Okitsu is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Okitsu | United Kingdom, Brazil, United States, Malaysia, Japan |
| takashi okitsu researcher ORCID ID = 0000-0001-5836-4470 |
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| teru okitsu researcher |
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| kenta okitsu researcher |
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| shinji l. okitsu researcher |
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| shoko okitsu |
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| hisayuki okitsu |
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