Family name Buith (Buith 
) , in the world, is a very rare last name. The family name Buith is habitual in Netherlands, where it is a very rare surname, France, and the United States, where it is an extremely rare surname. Very seldom, Buith is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buith | Netherlands, Philippines, Brazil, France, United States |