Around the world, Jiguo (Jiguo 
, 纪国 , 济国 ) is quite a common male forename. The forename Jiguo is habitual in China, where it is a rare masculine name, and Italy, where it is a very rare masculine name. Very seldom, Jiguo is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Jiguo | China, Italy, Malaysia, United States, Canada |
| 纪国, 济国 | China |
| Жигуо | Russia |
| jiguo yu researcher (ORCID 0000-0001-7607-475X) |
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| jiguo qiu researcher |
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| jiguo yu researcher ORCID ID = 0000-0001-6451-1158 |
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| jiguo song Ph.D. The George Washington University 2016 |
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| jiguo zhang researcher (ORCID 0000-0003-3266-8999) |
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| jiguo zhang researcher ORCID 0000-0002-0095-6294 |
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| jiguo gao researcher |
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| jiguo tu researcher |
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| jiguo cao researcher |
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Ma, Deng, Ding, Dong, Duan, Tang, Tian, Fang, Feng, Wang, Yang, Yuan, Zeng, Zhao, Zhou, Xiao, Xing, Shang, Liang, Jiang, Huang, Zhang, Chen, Song, Shen, Xie, Di, Du, Li, Yi, Shi, Sun, Cao, Cui, Pan, Ren, Zheng, Dan, Han, Hou, Fan, Wen, Yan, Yin, Zou, Zhu, Xia, Xin, Gao, and Zhong