Cognomen Buw (Buw 
) , all over the world, is a very rare family name. The surname Buw is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare surname, Thailand, where it is an extremely rare surname, and Malaysia. In absolute terms, it most frequently occurs in Indonesia, Thailand, and India. Very seldom, Buw is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buw | Germany, Thailand, United States, India, Indonesia |