Family name Mwadi (Mwadi 
) , all around the world, is a rare surname. The surname Mwadi is habitual in the Democratic Republic of the Congo, where it is a rare surname, Belgium, where it is a very rare surname, and Canada. Measured by absolute frequency, the name is most common in the Democratic Republic of the Congo, Nigeria, and Belgium. Much less frequently, Mwadi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mwadi | Tanzania, Belgium, Democratic Republic of the Congo, Nigeria, Canada |