Cognomen Buaku (Buaku 
) , throughout the world, is a rare last name. The surname Buaku is characteristic of Ghana, where it is a rare surname, the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Buaku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buaku | France, United Kingdom, United States, Japan, Ghana |