Infobox last updated on: 13 April 2009.
Juan Carlos Ferrero Donat (born 12 February 1980) is a former world no. 1 tennis player from Spain. He captured the men's singles title at the 2003 French Open, and in September that year, he became the 21st player to hold the world no. 1 ranking. He was also the runner-up at the 2003 U.S. Open. His nickname is "Mosquito" due to his speed and wiry, strong physique. His ranking as of 13 April 2009 is World No. 75.
Born in Onteniente, Ferrero came to prominence in 1998 making final of the French Open juniors, losing to Fernando González finishing the year ranked the number 17 junior.