Cognomen Okumoto (Okumoto 
) , throughout the world, is a rare last name. The cognomen Okumoto is characteristic of Brazil, where it is a rare surname, Japan, where it is a very rare surname, and the United States. Much less frequently, Okumoto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Okumoto | United States, Japan, China, Canada, Brazil |
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yuji okumoto American actor born in 1959, US (b. 1959) |
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ryo okumoto American musician, US (b. 1959) |
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| naomi okumoto Japanese candidate (b. 1960) |
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| ayaka okumoto researcher |
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| hinano okumoto |
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