Linda Shaye (born October 12, 1943) is an American film, television, and theater actress. In a career spanning over forty years, she has appeared in more than a hundred feature films. She is perhaps best known for her starring role as Elise Rainier in the Insidious film series (2010–2018), and as Magda in There's Something About Mary.

Shaye is regarded as a scream queen due to her roles in various horror films, including Alone in the Dark (1982), A Nightmare on Elm Street (1984), Critters (1986) and its sequel Critters 2: The Main Course (1988), Amityville: A New Generation (1993), Wes Craven's New Nightmare (1994), Dead End (2003), 2001 Maniacs (2005) and its sequel 2001 Maniacs: Field of Screams (2010), Ouija (2014) and its prequel Ouija: Origin of Evil (2016), Tales of Halloween (2015), Abattoir (2016), The Final Wish (2018), Room for Rent (2019), The Grudge (2020), and the Insidious universe.

Shaye is also well known for her comedic roles in numerous films by the Farrelly brothers, including Dumb and Dumber (1994), Kingpin (1996), There's Something About Mary (1998), Detroit Rock City (1999), Me, Myself & Irene (2000), Stuck on You (2003), and The Three Stooges (2012).