Cognomen Wiwatt (Wiwatt 
) , around the world, is an extremely rare family name. Much more prevalently, Wiwatt is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wiwatt | United States, Thailand |
Homsai, Intronin, Pansirichote, Borwornwongpitak, and Phichiansathian