Last name Mirtha Janet (Mirtha Janet 
) , in all the world, is an extremely rare family name. The last name Mirtha Janet is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Predominantly, Mirtha Janet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mirtha Janet | Chile, Peru, Spain, Ecuador |