Viktor An, is a South Korean-born Russian short-track speed skating coach and retired short-track speed skater. With a total of eight Olympic medals, six gold and two bronze, he is the only short track speed skater in Olympic history to win gold in every distance, and the first to win a medal in every distance at a single Games. He has the most Olympic gold medals in the sport, three of which he won in the 2006 Winter Olympics and the other three in the 2014 Winter Olympics. Considered to be the greatest short track speed skater of all time, he is a six-time overall World champion, two-time overall World Cup winner, and the 2014 European champion. He holds the most overall titles at the World Short Track Speed Skating Championships, and is the only male short track skater to win five consecutive world titles.

Short-track speed skating is a form of competitive ice speed skating. In competitions, multiple skaters skate on an oval ice track with a length of 111.111 metres (364.54 ft). The rink itself is 60 metres (196.85 ft) long by 30 metres (98.43 ft) wide, which is the same size as an Olympic-sized figure skating rink and an international-sized ice hockey rink. Related sports include long-track speed skating and inline speed skating.