Maria Olsen is an American actress.

Best known for her appearances as Mrs. Dodds/The Fury in Percy Jackson & the Olympians: The Lightning Thief, Paranormal Activity 3, American Horror Story and Rob Zombie's Lords of Salem, Maria Olsen has worked on more than 65 feature films and over 150 shorts, television shows, music videos and commercials since 2005. She has also won four awards (including awards for both acting and directing), had two short films appear at the 2009 Cannes Short Film Program, one at the 2010 Sundance Film Festival, plus others at Fangoria's Weekend of Horrors and HorrorFest. Olsen also owns MOnsterworks66, producer of features such as Brandon Scullion's Live in Fear, Randal Kamradt Jr's Faraway, Eric Michael Kochmer's Way Down In Chinatown, Bert Havird's Reunion and Michael LaPointe's LoveTouchHate.