Surname Kanvarat (Kanvarat 
) , in the entire world, is an extremely rare family name. The cognomen Kanvarat is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Kanvarat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanvarat | Thailand, India |
Phaanwaad, Puywongsuwan, Udompant, and Phetsisom