All around the world, Hongchen (Hongchen 
, 红尘 , 虹辰 ) is quite a rare epicene first name. The first name Hongchen is characteristic of Eastern Asia, particularly China, where it is a rare epicene name. Very seldom, Hongchen is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Hongchen | China, France, Taiwan, India, United States |
| 虹辰, 红尘, 泓辰 | China |
| hongchen chu researcher (ORCID 0000-0002-8577-5870) |
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| hongchen liu researcher (ORCID 0000-0003-2406-5346) |
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| hongchen sun researcher ORCID 0000-0002-2533-8150 |
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| hongchen liu researcher ORCID 0000-0001-7524-4796 |
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| hongchen wang researcher (ORCID 0000-0002-7982-1201) |
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| hongchen cai researcher ORCID ID = 0000-0002-5921-5773 |
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| hongchen zheng researcher |
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| hongchen jiang researcher ORCID ID = 0000-0003-1271-7028 |
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| hongchen gu researcher (ORCID 0000-0001-8009-2459) |
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| hongchen liu researcher ORCID 0000-0001-5874-0827 |
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| hongchen liu researcher (ORCID 0000-0002-2734-8846) |
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| hongchen wu researcher ORCID ID = 0000-0002-7321-4646 |
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| hongchen liu researcher ORCID 0000-0003-1866-334X |
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| hongchen he researcher |
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| hongchen liu researcher (ORCID 0000-0002-3608-3157) |
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