Surname Tsuruoka (Tsuruoka 
, Цуруока, 신야) , in the entire world, is a rare last name. The cognomen Tsuruoka is habitual in Japan, where it is a very rare surname, Philippines, and Argentina. Measured by absolute frequency, this name is the most popular in Japan, Philippines, and the United States. Much less frequently, Tsuruoka is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Tsuruoka | Japan, Philippines, United States, Argentina, Brazil |
| kakunen tsuruoka American painter, JP (b. 1892) |
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| tohru tsuruoka researcher (ORCID 0000-0002-4322-4309) |
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| masayoshi tsuruoka researcher |
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| chizuru tsuruoka researcher (ORCID 0000-0002-2407-953X) |
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| taiki tsuruoka Japanese association football referee |
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| naoki tsuruoka researcher ORCID ID = 0000-0003-4052-3327 |
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| ryoji tsuruoka researcher |
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| shuichi tsuruoka researcher |
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| kazuyuki tsuruoka researcher |
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| hisae tsuruoka researcher |
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| chie tsuruoka |
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| takaaki tsuruoka researcher |
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