Last name 健治 (健治 
) , worldwide, is a very rare cognomen. The family name 健治 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More frequently, 健治 is the forename as well as the last name.
| 牛尾 健治 Japanese businessman, JP (b. 1898) |
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| 滝沢 健治 Japanese field hockey player, JP (b. 1940) |
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| 村上 健治 JP (b. 1947) |
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| 笠原 健治 Japanese businessman, JP (b. 1975) |
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| 相良 健治 Japanese child actor, JP (b. 1977) |
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| 荒井 健治 Japanese businessman, JP |
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