Around the globe, 泰久 (Yasuhisa 
, 泰久 ) is a rare largely boy's, but seldom feminine first name. The first name 泰久 is characteristic of Japan, where it is a rare boy's name, Brazil, where it is a very rare girly name, and China, where it is an extremely rare masculine name. Also, 泰久 is the last name as well as the forename.
| 長山泰久 Japanese psychologist, JP (b. 1932) |
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| 矢崎泰久 Japanese journalist, JP (b. 1933) |
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| 勝田 泰久 Japanese businessperson, JP (b. 1942) |
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| 中村泰久 Japanese teacher, JP (b. 1947) |
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| 海老沢泰久 Japanese novelist (1950-2009), JP (b. 1950) |
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| 芳川泰久 Japanese academic, JP (b. 1951) |
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| 塩田泰久 Japanese aikidoka, JP (b. 1952) |
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| 豊田泰久 Japanese musician, JP (b. 1952) |
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| 千葉 泰久 JP (b. 1944) |
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| 曾我泰久 Japanese musician and actor, JP (b. 1963) |
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| 中尾泰久 JP (b. 1963) |
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| 原泰久 Japanese mangaka, JP (b. 1975) |
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