Sharon Mary Monplaisir (born November 3, 1960) is an American foil fencer. She competed at the 1984, 1988 and 1992 Summer Olympics. She was also on the gold-winning United States fencing team at the 1987 and 1991 Pan American Games, and was a four-time NCAA All-American fencer.
Monplaisir is the subject of children's non-fiction chapter book, Sword of a Champion by Doreen and Michael Greenberg, in the Anything You Can Do... series from Wish Publishing. She is also the model/subject for the exercise book, Get a Gold Medal Butt by Gary Guerriero and Mary Leonard.