Family name Letty Mariana (Letty Mariana 
) , all over the world, is an extremely rare last name. The family name Letty Mariana is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Much more frequently, Letty Mariana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Letty Mariana | Chile, Ecuador |