Mari Kim Holden (born March 30, 1971) is an American Olympic medalist and World Champion in the sport of cycling. She won a silver medal in the 2000 Olympic Games time trial in Sydney, Australia and the world time trial championship later that year. She also won six U.S. championships, becoming the first American woman to win three consecutive U.S. time trial championships (1998–2000) and scoring a double by winning the U.S. time trial and road championships in 1999. In 2016 she was inducted into the U.S. Bicycling Hall of Fame as a Modern Road and Track Competitor and presently works as a community director at USA Cycling.