Cognomen Kwalu (Kwalu 
) , worldwide, is a rare surname. The family name Kwalu is habitual in Papua New Guinea, where it is quite a rare surname, Tanzania, where it is a rare surname, and Nigeria, where it is a very rare surname. Likewise, Kwalu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kwalu | Papua New Guinea, Nigeria, Tanzania, India, France |