|Full name||Roberto Eladio Fernández Roa|
|Date of birth||9 July 1954|
|Place of birth||Asunción, Paraguay|
|Height||1.91 m (6 ft 3 in)|
|1973–1976||River Plate Asunción|
|* Senior club appearances and goals counted for the domestic league only and correct as of April 2008|
Roberto Eladio Fernández Roa (born 9 July 1954) is a retired football goalkeeper from Paraguay. He was capped 78 times for the Paraguay national football team in an international career that lasted from 1976 to 1989. He was also a member of the Paraguayan team that won the 1979 Copa América. He earned the nickname "El Gato" (The Cat) for his outstanding stretching saves.
Fernández began his career, debuting professionally, at the age of 17 for Club River Plate of Paraguay. Some of his clubs include Cerro Porteño, Deportivo Cali, RCD Espanyol, Internacional and Palmeiras. He made his international debut for the Paraguay national football team on 10 March 1976 in a Copa del Atlántico match against Uruguay (2-2).
Fernández played his final professional game in 1997 (Cerro Porteño vs. Sportivo Luqueño) at the age of 43, making him the oldest goalkeeper to play professionally in Paraguayan football history.
During the late seventies to the mid to late 80's, his only challenger in goal for the Paraguayan national team was Ever Hugo Almeida. Finally, in the late 80's, Fernández became the back-up to Jose Luis Chilavert.
During the 1986 World Cup in Mexico, Fernández started for Paraguay in all four games. He stopped a penalty kick from Mexican Hugo Sánchez to hold the host team to a 1-1 draw.
After retiring, Fernández dedicated himself to working as a board of director at his original club (River Plate of Paraguay), and representing other footballers. His son, Gatito Fernández, is a professional goalkeeper, currently in the registry of Botafogo in Brazil.