Last name Guang (Guang 
, Гуанг 
, Гуан 
) , globally, is a common surname. The cognomen Guang is characteristic of Malaysia, where it is quite a common surname, Singapore, where it is quite a rare surname, and China. Measured by absolute frequency, this name is the most popular in China, Malaysia, and Russia. Likewise, Guang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guang | Malaysia, China, Indonesia, United States, Myanmar |
| Гуанг | Ukraine, Russia |
| Гуан | Kazakhstan, Ukraine, Kyrgyzstan, Belarus, Russia |
| ren guang Eastern Han dynasty general (b. 50) |
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| lü guang emperor of Later Liang (b. 337) |
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| hulü guang Chinese general (b. 515) |
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| he guang Tang dynasty person CBDB = 142514 (b. 590) |
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| sun guang Tang dynasty person CBDB = 139026 (b. 591) |
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| zheng guang Tang dynasty person CBDB = 159009 (b. 850) |
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| li guang Song dynasty person CBDB = 8079 (b. 1078) |
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| chen guang Song dynasty person CBDB = 23812 (b. 1116) |
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| liu guang Yuan dynasty person CBDB = 51691 (b. 1228) |
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| liu guang Yuan dynasty person CBDB = 34551 (b. 1276) |
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| yu guang Ming dynasty person CBDB = 66387 (b. 1326) |
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| liu guang Ming dynasty bureaucrat (b. 1457) |
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| zhao guang Ming dynasty person CBDB = 202030 (b. 1488) |
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| gao guang politician (b. 1512) |
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| cao guang Ming dynasty person CBDB = 204003 (b. 1522) |
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