Family name Mjuni (Mjuni 
, Муні 
) , globally, is a rare cognomen. The surname Mjuni is habitual in Tanzania, where it is quite a rare surname, and Ukraine, where it is an extremely rare surname. Also, Mjuni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mjuni | Tanzania |
| Муні | Ukraine |