Surname Chetwut (เชษฐวุฒิ 
, Chetwut 
) , in the entire world, is an extremely rare last name. Much more frequently, Chetwut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เชษฐวุฒิ | Thailand |
| Chetwut | United States, Thailand |
Intaratip, and Trirattanawong