Lori Hallier (born July 8, 1959) is a Canadian film, stage, and television actress. She made her film debut in 1981, starring as Sarah Mercer in George Mihalka's slasher film My Bloody Valentine (1981). She subsequently starred in Warning Sign (1985), Night of the Twisters (1996), My Name Is Tanino (2002), and Monte Walsh (2003). Hallier had a recurring role as Shannon Pressman in the television series Santa Barbara (1990). In 2017, Hallier portrayed Alice in the Netflix comedy film Christmas Inheritance.