Last name Kaihua (开华 
, Kaihua 
, 恺华 ) , globally, is quite a common cognomen. The surname Kaihua is habitual in Finland, where it is quite a rare surname, China, where it is a rare surname, and Malaysia, where it is a very rare surname. More frequently, Kaihua is the forename as well as the last name.
| VARIANT | COUNTRY |
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| 开华, 开化, 恺华 | China |
| Kaihua | China, Malaysia, Finland, Taiwan, United States |
| kaihua he researcher ORCID ID = 0000-0002-5199-9438 |
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| kaihua wei researcher |
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| kaihua qin researcher (ORCID 0000-0002-1614-7694) |
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| kaihua ding Ph.D. University of Michigan 2018 |
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| kaihua zhang researcher (ORCID 0000-0002-1613-3401) |
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| kaihua jiang researcher |
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| kaihua zhang researcher ORCID: 0000-0003-3734-3624 |
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| kaihua ding researcher ORCID ID = 0000-0002-4383-2654 |
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| kaihua cai Ph.D. California Institute of Technology 2005 |
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| kaihua lu researcher |
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| kaihua ji researcher |
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| kaihua xi researcher |
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| kaihua zhong researcher |
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| lotta kaihua Finnish actress, FI (b. 1982) |
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