Jessica Tatiana Long is a Russian-American Paralympic swimmer from Baltimore, Maryland, who competes in the S8, SB7 and SM8 category events. She has held many world records and competed at five Paralympic Games, winning 29 medals. She has won over 50 world championship medals.

Para swimming is an adaptation of the sport of swimming for athletes with disabilities. Para swimmers compete at the Summer Paralympic Games and at other sports competitions throughout the world. The sport is governed by the International Paralympic Committee. Both men and women compete in para swimming, racing against competitors of their own gender. Swimming has been a part of the Paralympic program since the 1960 Summer Olympics in Rome, Italy.