Family name Thu Quynh (Thu Quynh 
) , all around the world, is an extremely rare cognomen. The surname Thu Quynh is habitual in South-eastern Asia, particularly Vietnam, where it is an extremely rare surname. More prevalently, Thu Quynh is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thu Quynh | Vietnam, Germany |