Surname Terayama (Terayama 
, Тераяма, เทรายามะ 
) , across the world, is a rare last name. The last name Terayama is characteristic of Japan, where it is a very rare surname, Brazil, and Thailand. Not in comparison with a country's population, it is commonest in Brazil, Japan, and the United States. Likewise, Terayama is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Terayama | Japan, China, Chile, United States, Brazil |
| เทรายามะ | Thailand |
| hatsu terayama (b. 1913) |
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| koji terayama researcher |
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| yasuo terayama researcher |
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| kei terayama researcher |
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| hayato terayama researcher (ORCID 0000-0002-7053-8418) |
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| mamoru terayama Japanese entomologist, JP |
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| ryuji terayama researcher |
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| hideyuki terayama researcher |
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| naoki terayama researcher ORCID ID = 0000-0002-4025-8060 |
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| takero terayama researcher (ORCID 0000-0002-3002-5343) |
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| ryoga terayama Japanese kickboxer, JP |
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