Family name Watcharawittaya (Watcharawittaya 
) , in the world, is a very rare cognomen. The surname Watcharawittaya is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Watcharawittaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Watcharawittaya | Thailand |