Shannon Marie Kahololani Sossamon, commonly known as Shannyn Sossamon (born October 3, 1978), is an American actress, director, and musician. She has appeared in the films A Knight's Tale (2001), 40 Days and 40 Nights, The Rules of Attraction (both 2002), The Order (2003), Kiss Kiss Bang Bang (2005), Wristcutters: A Love Story (2006), Road to Nowhere (2009), The End of Love (2012), and Sinister 2 (2015).
As a musician, she provided vocals and drums to Warpaint from 2004 to 2008. She abruptly left the group after recording their first EP. Sossamon's sole recording with the band is the 2009 EP, Exquisite Corpse.
In 2009, Sossamon began directing and producing shorts & music videos through her small production company, the Maudegone Theater. In 2019 she created a video channel called THE MAUDE ROOM, a variety show in which she serves as writer, director, and performer.