Emiliano Ramon Diaz (born 22 June 1982) is an Italian-born retired footballer.
He worked with his father, Ramón Díaz, at Al-Hilal FC between 2016 and 2018, when the coaching team was sacked because of unsatisfactory performances.
In 2002 when his father was the coach he made his debut for River Plate during a game against Rosario Central on 19 May 2002, as a substitute for Eduardo Coudet.
In 2005, he played seven times for the English club Oxford United in Football League Two, after his father was appointed manager.
He came back to Argentina to play for Defensa y Justicia and Platense.