Last name ขวัญชื่น (Kwanchuen 
, ขวัญชื่น, Khvanchuen ) , globally, is a rare cognomen. The last name ขวัญชื่น is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kwanchuen | United States, Thailand |
| Kwanchuai, Khvanchuen | Thailand |
Khwancheun, Khwanchuae, Khwanchuai, Khwanchueal, Khwanchuen, Kwan Chuen, Kwanchiuay, Kwanchuoy, and Kwanshuen