Lee Kiefer (born June 15, 1994) is an American right-handed foil fencer. Kiefer is a four-time NCAA champion, ten-time team Pan American champion, nine-time individual Pan American champion, and 2018 team world champion. A three-time Olympian, Kiefer is a 2021 individual Olympic champion. Kiefer is the first American foil fencer in history to win an individual Olympic gold medal. Kiefer competed in the 2012 London Olympic Games, the 2016 Rio de Janeiro Olympic Games, and the 2020 Tokyo Olympic Games.