Family name Musumbu (Musumbu 
) , worldwide, is a rare cognomen. The surname Musumbu is habitual in Zimbabwe, where it is quite a rare surname, the United Kingdom, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Zimbabwe, the United Kingdom, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Musumbu | Zimbabwe, United Kingdom, South Africa, France, United States |