Cognomen Quý (Quý 
, Куи 
) , in all the world, is quite a common family name. The cognomen Quý is characteristic of Vietnam, where it is quite a rare surname, and Japan, where it is a very rare surname. Also, Quý is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Quý | United Kingdom, Japan, Vietnam, France, United States |
| Куи | Belarus, Ukraine, Kazakhstan, Russia |
| phêrô đoàn công quý (b. 1826) |
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| hoàng quý VN (b. 1920) |
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| quý dương singer and composer, VN (b. 1937) |
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| dương thị xuân quý Vietnamese journalist, VN (b. 1941) |
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| thanh quý Vietnamese actress, VN (b. 1958) |
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| đặng đình quý VN (b. 1961) |
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| trương xuân quý Vietnamese politician, VN (b. 1975) |
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| thái thanh quý (b. 1976) |
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| trương đình quý |
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| trương văn thái quý association football player, VN (b. 1997) |
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