Cognomen Kwanton (Kwanton 
) , worldwide, is a very rare last name. The surname Kwanton is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Kwanton is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwanton | United States, Thailand |
Laaied, Somporn, and Sattayaporn