Sarah Lafleur (born January 27, 1974) is a Canadian screen and voice actress, most recognizable for her roles in Ugly Betty (ABC), The Mentalist (CBS), Grey's Anatomy (ABC), CSI: NY (CBS), Crossing Jordan (NBC), Without a Trace (CBS), Playmakers (ESPN); and the films Shall We Dance? (Miramax), Master Spy: The Robert Hanssen Story (CBS) and Daydream Believers: The Monkees Story (VH1). She also narrated several seasons of My Fair Wedding with David Tutera (WEtv) and is the voice of Sailor Uranus for the first English version of Sailor Moon, Ansa Land Lock, and Trish in Devil May Cry. Lafleur was part of the year 2000 cast of History Bites (History Channel) nominated for a Gemini Award in the Best Performance by an Ensemble Cast in a Music, Variety Program category.

Sarah attended secondary school at Regina Mundi Catholic College from September 1988 until June 1993.