Isabelle Charest (later Charbonneau, born January 3, 1971 in Rimouski, Quebec) is a Canadian short track speed skater who competed in the 1994 Winter Olympics, in the 1998 Winter Olympics, and in the 2002 Winter Olympics.
In 1994 she was a member of the Canadian relay team which won the silver medal in the 3000 metre relay competition. In the 1000 m event she finished sixth and in the 500 m contest she finished seventh.
Four years later she won the bronze medal with the Canadian team in the 3000 metre relay competition. In the 500 m event as well as in the 1000 m contest she finished seventh.
At the 2002 Games she won her second bronze medal with the Canadian relay team in the 3000 metre relay competition. In the 500 m event she finished fourth.