Family name 長山 (長山 
) , throughout the world, is an extremely rare surname. Much more prevalently, 長山 is the forename as well as the last name.
| 長山六郎 JP (b. 1843) |
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長山洋子 singer, JP (b. 1968) |
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| 長山泰久 Japanese psychologist, JP (b. 1932) |
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| 長山藍子 Japanese actress, JP (b. 1941) |
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