Globally, Zhihai (Zhihai 
, 之海 , 知海 ) is quite a rare male forename. The first name Zhihai is characteristic of Taiwan, where it is quite a rare male name, China, where it is a rare boy's name, and Australia, where it is a very rare masculine name. Not in comparison with a country's population, it most frequently occurs in China, Taiwan, and the United States. Very seldom, Zhihai is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Zhihai | China, Italy, Australia, Taiwan, United States |
| 知海, 之海 | China |
| Жихаи | Russia |
| zhihai zhong researcher (ORCID 0000-0002-7960-1292) |
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| zhihai shi researcher (ORCID 0000-0002-4083-5331) |
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| zhihai wang researcher |
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| zhihai qin researcher |
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| zhihai han researcher (ORCID 0000-0002-2167-2258) |
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| zhihai wu researcher (ORCID 0000-0001-7293-9250) |
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| zhihai peng researcher (ORCID 0000-0002-1998-931X) |
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| zhihai hu researcher |
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| zhihai li researcher (ORCID 0000-0001-7162-2673) |
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| zhihai liu researcher |
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| zhihai ke researcher |
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| zhihai xiang researcher, ORCID id # 0000-0001-6078-6373 |
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| zhihai huang researcher ORCID ID = 0000-0002-1110-3086 |
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| zhihai zheng researcher |
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| hu zhihai Ming dynasty person CBDB = 307625 |
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