Family name Mahumi (Mahumi 
) , across the world, is a rare surname. The last name Mahumi is habitual in Sub-Saharan Africa, particularly Tanzania, where it is a rare surname, and South Africa, where it is an extremely rare surname. Much less frequently, Mahumi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahumi | Tanzania, India, South Africa, Nigeria, Peru |