Worldwide, Mengfei (梦飞 
, Mengfei 
, 梦非 ) is a common epicene given name. The forename Mengfei is characteristic of China, where it is a rare epicene name, Philippines, where it is a very rare dominantly male, but infrequently feminine name, and the United States, where it is an extremely rare epicene name. Much less frequently, Mengfei is the last name as well as the forename.
| VARIANT | COUNTRY |
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| 梦飞, 梦非, 猛飞 | China |
| Mengfei | United States, Japan, Philippines, Singapore, China |
| mengfei zhang researcher (ORCID 0000-0003-2185-4315) |
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| mengfei xu researcher (ORCID 0000-0003-3339-6673) |
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| mengfei wu researcher (ORCID 0000-0002-4728-3234) |
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| mengfei li researcher (ORCID 0000-0003-3035-4427) |
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| mengfei guan researcher |
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| mengfei fan researcher ORCID ID = 0000-0002-7713-7625 |
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| zhu mengfei researcher |
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| mengfei peng researcher |
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| mengfei yao researcher |
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| mengfei li researcher ORCID 0000-0001-8353-7126 |
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| mengfei liu researcher (ORCID 0000-0001-7156-5082) |
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| mengfei guo researcher (ORCID 0000-0002-8782-6037) |
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| mengfei yu researcher |
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| mengfei zhang researcher ORCID 0000-0002-0533-3184 |
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| mengfei he researcher |
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