Jean-Sébastien Roy (born August 14, 1977) is a Canadian curler from Gatineau, Quebec.

Roy is a two time provincial junior champion, winning in 1995 as the third for Yanick Gaudreault and in 1997 as the third for Philippe Lemay.

At the 1997 Canadian Juniors, the team finished the round robin with a 7–5 record, in a 5-way tie for 3rd place.

They ended up losing their tiebreaker match to the Yukon team, skipped by Wyatt Redlin.

In 2019, Roy and teammates Amélie Blais, Dan deWaard and Brenda Nicholls won the 2020 Canadian Mixed Curling Championship.