Around the globe, Yifei (Yifei 
) is quite a rare unisex first name. The given name Yifei is habitual in Taiwan, where it is quite a rare male name, Hong Kong, where it is a rare gender-neutral name, and Singapore. Not in comparison with a country's population, it is the most numerous in China, Taiwan, and the United States. Much less frequently, Yifei is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Yifei | Indonesia, China, Australia, Taiwan, United States |
| lu yifei (Chinese, 1931–2005) (b. 1931) |
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ye yifei Chinese racing driver |
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| wang yifei Chinese Go player (b. 1977) |
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| yifei lou researcher ORCID ID = 0000-0003-1973-5704 |
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| yifei xu chemistry researcher at The University of Alabama |
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| yifei li researcher (ORCID 0000-0002-3167-7175) |
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| yifei yang researcher (ORCID 0000-0002-3540-7172) |
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| yifei he researcher (ORCID 0000-0002-2826-4230) |
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| yifei f. niu researcher |
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| yifei wang researcher ORCID ID = 0000-0003-0710-6097 |
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| yifei li researcher (ORCID 0000-0001-5156-0161) |
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| yifei kong researcher |
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| yifei zhang researcher at Hunan University of Science and Technology |
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| yifei yuan researcher |
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| yifei michelle liu researcher |
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