All over the world, Avendaño Avendaño (Avendaño Avendaño 
) is an extremely rare unknown gender forename. Predominantly, Avendaño Avendaño is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Avendaño Avendaño | Argentina, Colombia, Ecuador, Spain, Chile |
Cesar, Manuel Osvaldo, Jose Leonidas, Felipe Andres, Isabel Amelia, Maria Angelica, Maria Mercedes, Luis Alejandro, Jonathan Arley, Maria Soledad, Felipe Nicolas, Carlos Patricio, Carolina Andrea, Cristian Andres, Alicia Del Carmen, Francisco Javier, Francisco Andres, Fresia Del Carmen, Marisol Del Carmen, Maria Alejandra, Oscar Patricio, Fernando Omar, Jose Antonio, Miguel, Sergio, Aminta, Tatiana, Monserrat, Maria Jose, Maria Ines, Del Carmen, Maria Elena, Pablo Javier, Luis Felipe, Juan Carlos, Juan Rodrigo, Maria Isabel, Carmen Edith, Carmen Gloria, Luis Alberto, Luis Antonio, Luis Humberto, Cecilia Del Carmen, and Veronica Del Carmen