Family name Mwini (Mwini 
) , in all the world, is a rare cognomen. The surname Mwini is characteristic of Sub-Saharan Africa, particularly Kenya, where it is a rare surname, Ghana, and Tanzania, where it is a very rare surname. Much less frequently, Mwini is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mwini | Tanzania, Kenya, India, South Africa, Ghana |