Globally, Zhengzheng (铮铮 
, Zhengzheng 
, 征征 ) is quite a common epicene forename. The first name Zhengzheng is habitual in China, where it is a rare gender-neutral name, and the United States, where it is an extremely rare gender-neutral name. Very seldom, Zhengzheng is the last name as well as the forename.
| VARIANT | COUNTRY |
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| 筝筝, 铮铮, 征征 | China |
| Zhengzheng | China, Italy, Australia, Taiwan, United States |
| zhengzheng liao researcher (ORCID 0000-0002-1153-218X) |
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| zhengzheng hu Ph.D. University of California, Irvine 2008 |
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| zhengzheng xing Ph.D. Simon Fraser University |
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| zhengzheng huang researcher |
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| zhengzheng cao researcher (ORCID 0000-0003-0752-9903) |
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| zhengzheng xie researcher |
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| zhengzheng lin researcher |
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| zhengzheng xuan researcher |
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| zhengzheng zhang researcher (ORCID 0000-0003-2820-784X) |
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| zhengzheng chen researcher |
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| zhengzheng su researcher |
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| zhengzheng li researcher |
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| zhengzheng s liang researcher |
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