Cognomen 高原 (高原 
, Takahara 
) , in the world, is quite a rare last name. The cognomen 高原 is characteristic of Singapore, where it is a rare surname, Brazil, and Japan. In absolute terms, this name is the most popular in China, Brazil, and Japan. More prevalently, 高原 is the forename as well as the last name.
| 高原滋夫 Japanese scientist, JP (b. 1908) |
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| 高原 正雄 JP (b. 1945) |
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| 高原純平 Japanese basketball player, JP (b. 1980) |
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| 高原翔吾 Japanese association football player, JP (b. 1988) |
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| 高原けんじ Japanese mangaka, JP |
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