Worldwide, Maria Ismelda (Maria Ismelda 
) is a rare epicene given name. The first name Maria Ismelda is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is quite a rare masculine name, Chile, where it is a rare female name, and Costa Rica. In absolute terms, this name is the most popular in Latin America and the Caribbean, particularly Paraguay, Chile, and Peru. Much less frequently, Maria Ismelda is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Maria Ismelda | Peru, Colombia, Paraguay, Chile, Ecuador |
Diaz, Moreno, Medina, Castro, Rivera, Garcia, Flores, Contreras, Hernandez, Velez Delgado, Gomez Serna, Gimenez Mancuello, and Encarnacion Ramos