Amy Lysle Smart (born March 26, 1976) is an American actress and former fashion model. Smart began her career modeling in Italy and subsequently enrolled in acting school. Her first role in film was in director Martin Kunert's film Campfire Tales. She has since appeared in numerous films, including Varsity Blues (1999), Road Trip (2000), Rat Race (2001), The Butterfly Effect (2004), Just Friends (2005), Mirrors (2008), and Tyler Perry's The Single Moms Club (2014).

Her television work includes a recurring role on Felicity (1999–2001).