Juan José Veloz Dávila (born 24 September 1982 in Mexico City, Mexico) is an Olympic and national record-holding swimmer for Mexico. He swam for his native country at the 2000, 2004, and 2008 Olympics.
At the 2002 Central American and Caribbean Games, Veloz set the Games Record in the 200 fly at 1:58.45.
As of March 2008, he holds the Mexican records in the 200 fly and 400 IM. In 2007 he won bronze medal in the Panamerican Games.