Around the globe, Heyu (Heyu 
) is a rare unisex forename. The first name Heyu is habitual in Ethiopia, where it is a rare feminine name, Indonesia, where it is a very rare masculine name, and China, where it is an extremely rare unisex name. Very seldom, Heyu is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Heyu | Japan, Ethiopia, China, Malaysia, Indonesia |
| imperial noble consort heyu (b. 1761) |
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| heyu lin researcher |
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| heyu zhang researcher |
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| heyu chen researcher |
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| heyu yin researcher ORCID ID = 0000-0002-6336-7972 |
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| heyu ding researcher |
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| heyu ji researcher (ORCID 0000-0002-8867-4936) |
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| heyu zhao researcher (ORCID 0000-0003-4012-588X) |
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| heyu ni researcher |
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| heyu zhao researcher (ORCID 0000-0003-1545-9298) |
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| heyu xiong Ph.D. Northwestern University 2019 |
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| heyu wang Ph.D. Hong Kong Baptist University 2007 |
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| heyu sheng |
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