Around the globe, 大久保 (大久保 
) is a very rare masculine forename. The first name 大久保 is characteristic of Eastern Asia, particularly China, where it is an extremely rare boy's name. Also, 大久保 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 大久保 | China |
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大久保忠世 daimyo, JP (b. 1532) |
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大久保忠佐 daimyo, JP (b. 1537) |
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| 大久保忠俊 JP (b. 1499) |
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大久保忠教 Japanese warrior, JP (b. 1560) |
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| 大久保忠員 JP (b. 1511) |
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| 大久保忠勝 JP (b. 1524) |
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| 大久保長安 Japanese samurai, JP (b. 1545) |
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| 大久保忠隣 daimyo, JP (b. 1553) |
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| 大久保忠行 JP (b. 1550) |
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| 大久保忠為 JP (b. 1554) |
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大久保忠職 JP (b. 1604) |
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| 大久保忠常 JP (b. 1580) |
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| 大久保教隆 JP (b. 1586) |
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| 大久保忠当 JP (b. 1591) |
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| 大久保忠知 JP (b. 1593) |
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