Juan Jose Fuertes Martinez (born March 11, 1976 in Pamplona, Navarra) is a swimmer from Spain. He has a disability: he has cerebral palsy and is an S5 type swimmer. He raced at the 1996 Summer Paralympics in Atlanta, Georgia. He was the number one swimmer in the 50 meter freestyle and the 100 meter freestyle races. He was the number two swimmer in the 100 meter freestyle race and the 4 x 50 meter Freestyle relay 20 Points race. He was in the number three swimming team in the 4 x 50 meter medley relay 20 Points race.