All around the world, Ruihong (瑞红 
, Ruihong 
, 锐红 ) is a common largely female, but infrequently masculine first name. The first name Ruihong is characteristic of China, where it is quite a rare dominantly feminine, but uncommonly masculine name, Singapore, where it is a rare masculine name, and the United States, where it is an extremely rare gender-neutral name. Much less frequently, Ruihong is the last name as well as the forename.
| VARIANT | COUNTRY |
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| 瑞红, 锐鸿, 锐红 | China |
| Ruihong | China, Malaysia, Singapore, Taiwan, United States |
| xue ruihong Chinese speed skater, CN (b. 1968) |
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| ruihong duan researcher |
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| ruihong ning researcher |
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| ruihong jiang researcher (ORCID 0000-0001-5705-9159) |
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| ruihong wu researcher (ORCID 0000-0001-7585-0059) |
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| ruihong zhao researcher (ORCID 0000-0002-5186-0217) |
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| ruihong zeng researcher (ORCID 0000-0001-5346-0535) |
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| ruihong yan researcher |
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| ruihong guo researcher |
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| ruihong zhang researcher |
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| ruihong yin researcher |
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| ruihong sun researcher (ORCID 0000-0002-9843-707X) |
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| ruihong chen researcher |
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| ruihong zhao researcher (ORCID 0000-0002-3702-1142) |
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| ruihong huang researcher |
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