Michel Vaillancourt (born July 26, 1954) is a Canadian show jumper who won an individual silver medal at the 1976 Olympics.
He tied for second place with Debbie Johnsey and François Mathy, but won the silver in a jump-off.
Vaillancourt finished in fifth place with the Canadian team.Vaillancourt started training in horse riding aged 12, encouraged by his father, an equestrian coach who died in a horse riding accident in 1971.
At his first international competition, Vaillancourt won a team bronze medal at the 1975 Pan American Games.
He won a silver team medal at the next Games in 1979.
Vaillancourt missed the 1980 Olympics in Moscow that were boycotted by Canada, and competed at the Alternate Olympics, winning a team gold medal.
After retiring from competitions he worked as a course designer and coach, supervising the Canadian equestrian team at the 1994 and 1998 Olympics.
He was inducted into the Jump Canada Hall of Fame in 2009.