Sebastien E. Boucher (born October 19, 1981) is a Canadian former professional baseball outfielder.
In 2021, on the occasion of the conference's fiftieth anniversary, he was named to the MEAC All-Time Baseball Team.
On August 9, 2007, Boucher was traded to the Baltimore Orioles for LHP John Parrish.
He moved on to independent baseball, playing with the Quebec Capitales in the Can-Am League where he won the batting title in 2014.
Boucher also played for the Canadian national team at the 2006 World Baseball Classic.