Alberto Fernando Quintano Ralph[1] (born 26 April 1946), commonly known as El Mariscal, is a Chilean former professional footballer.

At the end of that decade he migrated to Mexican football, where he became the star in the central defense of Cruz Azul, pairing with Javier "Kaliman" Guzman.

Club Cruz Azul offered him the post as technical director until 1986, delivering good accounts but without the desired title.

In this capacity, he worked with Nelson Acosta, participating in the South American playoffs for the France 98 World Cup.

In June 2009 Quintano replaced Eduardo de la Torre and became the new Sporting Director For Mexican Club Cruz Azul.