Joaquín Enrique Valerio Olivera (born 12 January 1973) is a Spanish former footballer who played as a goalkeeper.
Born in Badalona, Barcelona, Catalonia, Valerio began playing with Real Madrid Castilla, Hércules CF – with whom he won the second division in 1996 – and Albacete Balompié.
From 1997 to 2001 he represented Real Betis, playing 12 La Liga games (his first being on 1 November 1997 in a 2–3 home loss against Atlético Madrid, coming on as a substitute for Toni Prats who had been sent off in the 20th minute);[1] the 2000–01 season was spent in the second level, as both Betis and Sevilla FC returned to the top flight.
In 2006–07 he appeared in four matches for the Andalusians, backing up first-choice Sander Westerveld as the club achieved a first-ever top tier promotion.
After only one season, he joined third division side Polideportivo Ejido, being regularly used over three years and retiring in June 2011 at the age of 38.