Cognomen Gwaku (Gwaku 
) , in the entire world, is a rare surname. The cognomen Gwaku is habitual in Zimbabwe, where it is a rare surname, Tanzania, and Indonesia, where it is a very rare surname. Much less frequently, Gwaku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gwaku | Zimbabwe, Indonesia, Nigeria, United States, Tanzania |