Last name Quỳnh (Quỳnh 
) , across the world, is a common surname. The last name Quỳnh is habitual in Vietnam, where it is quite a common surname, Singapore, where it is a rare surname, and Australia, where it is a very rare surname. Very seldom, Quỳnh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Quỳnh | Japan, Macao, Australia, Vietnam, United States |
| xuân quỳnh poet, VN (b. 1942) |
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| như quỳnh Vietnamese singer (1970-2021), VN (b. 1970) |
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| mạnh quỳnh VN (b. 1971) |
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| quỳnh nga (b. 1988) |
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| phương quỳnh Vietnamese actress, VN (b. 1999) |
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