Cognomen Watanathirawoot (Watanathirawoot 
) , across the world, is a very rare surname. The surname Watanathirawoot is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, Watanathirawoot is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Watanathirawoot | China, Thailand |