Family name Roberto Alexander (Roberto Alexander 
) , around the world, is a rare last name. The surname Roberto Alexander is habitual in Chile, where it is a rare surname, and Spain, where it is a very rare surname. More prevalently, Roberto Alexander is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roberto Alexander | Costa Rica, Chile, El Salvador, Ecuador, Peru |
Saez, Davila, Garcia, Torres, Nuñez, Huaman, Vargas, Flores, Zapata, Quiroz, Quispe, Mendoza, Sanchez, Saborio, Alegria, Alvarez, Martinez, Bautista, Gonzalez, Rodriguez, Van Der Pol, Peña Moncayo, Romero, Blanco, Chaves, Chavez, Alva, Cruz, Diaz, Vera, Salas, Araya, Arias, Bazan, Palma, Perez, Lopez Montes, Peña, Reyes, Rivas, Garro, Gomez, Martin, Macuri, Moraga, Muñoz, Suarez, Acuña, Rojas, and Ibarra Salazar