Family name Hiyama (Hiyama 
, Хияма 
, هياما) , all around the world, is a rare surname. The surname Hiyama is habitual in Singapore, where it is a rare surname, Japan, where it is a very rare surname, and the United States. Not in comparison with a country's population, it is commonest in Japan, the United States, and China. Also, Hiyama is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hiyama | Japan, China, Mexico, United States, India |
| Хияма | Russia |
| kôzô hiyama botanist (b. 1905) |
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| mikito hiyama (b. 1962) |
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| akihiko hiyama researcher |
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| e. hiyama researcher ORCID ID = 0000-0002-6352-5766 |
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| mitsunori hiyama researcher (ORCID 0000-0003-3040-6442) |
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| eiso hiyama researcher (ORCID 0000-0001-9179-5037) |
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| miyabi hiyama researcher |
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| kyosuke hiyama researcher |
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| ken hiyama actor, KR |
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| takashi hiyama researcher |
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| junichiro hiyama researcher |
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| takeshi y. hiyama researcher |
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| tamejiro hiyama researcher |
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| masahiro hiyama researcher |
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