Worldwide, Jianjian (坚坚 
, Jianjian 
, 建健 ) is quite a common gender-neutral first name. The first name Jianjian is habitual in Eastern Asia, particularly Taiwan, where it is a rare masculine name, and China, where it is a rare epicene name. Very seldom, Jianjian is the last name as well as the forename.
| VARIANT | COUNTRY |
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| 坚坚, 建剑, 建健 | China |
| Jianjian | Malaysia, China, Colombia, United States, Taiwan |
| jianjian li researcher ORCID ID = 0000-0001-6732-282X |
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| jianjian gong Ph.D. University of Wisconsin-Madison 1996 |
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| jianjian chen researcher (ORCID 0000-0002-4946-9446) |
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| jianjian zhu researcher (ORCID 0000-0003-1508-3024) |
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| jianjian zhang researcher (ORCID 0000-0002-5220-1280) |
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| jianjian qiu researcher |
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| jianjian lv researcher |
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| jianjian zheng researcher |
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| jianjian wang researcher ORCID 0000-0002-9989-669X |
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| jianjian lin researcher (ORCID 0000-0003-2554-2554) |
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| jianjian wei researcher |
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| jianjian zhang researcher (ORCID 0000-0003-3485-0495) |
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| jianjian liu researcher (ORCID 0000-0002-8711-5067) |
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| jianjian lu researcher |
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| jianjian wang researcher (ORCID 0000-0002-5429-1996) |
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