Surname Mjenzi (Mjenzi 
) , worldwide, is a very rare family name. The cognomen Mjenzi is characteristic of Tanzania, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Mjenzi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mjenzi | United States, Tanzania |