Cognomen Estefii (Estefii 
) , all over the world, is an extremely rare last name. The surname Estefii is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, and Argentina, where it is an extremely rare surname. Much more prevalently, Estefii is the forename as well as the last name.
Lxu, Correa, Romero, Garcia, Guzman, Torres, Huergo, Vargas, Flores, Morales, Sanchez, Salazar, Segovia, Alvarez, Coronel, Ramirez, Herrera, Martinez, Ceballos, Gonzalez, Lozowski, Rodriguez, Chavez, Aranda, Solano, Muñoz, Carp, Ruiz, Diaz, Dias, Luna, Jara, Silva, Costa, Cruuz, Perez, Fernandez, Ramos, Riffo, Gauna, Gomez, Godoy, Lopez, Lujan, Velez, Fabre, ʚïɞ, Molina, Rojas, and Munoz Silva