Maria Olsen (gebore 22 Julie 1966) is 'n Suid-Afrikaanse aktrise en vervaardiger. Sy is bekend vir haar rolle in die rolprente Percy Jackson & the Olympians: The Lightning Thief (2010), Paranormal Activity 3 (2011), en Reunion (2015), en in die televisiereeks 8.13 (2010).
- 2009: Die-ner (Get It?)
- 2009: Shellter
- 2009: Blue Like the Morning
- 2010: Percy Jackson & the Olympians: The Lightning Thief
- 2010: Embers of the Sky
- 2011: Paranormal Activity 3
- 2012: The Amazing Adventures of the Living Corpse
- 2012: Payback Jack
- 2012: Folklore
- 2012: Scream, Zombie Scream
- 2013: Feed Me
- 2014: Way Down in Chinatown
- 2014: Faraway
- 2014: Something Sinister
- 2014: Another
- 2014: Trophy Heads
- 2015: Reunion
- 2015: Gore Orphanage
- 2016: Black Tar Road
- 2016: Consumption
- 2016: The Conduit
- 2016: Available
- 2016: 24
- 2017: Moon Creek Cemetery
- 2017: Our Friend Jon
- 2017: Who's There?
- 2017: Marrtown
- 2017: Hacked Off!
- 2018: Cockroaches
- 2018: I Spit on Your Grave: Deja Vu
- 2018: The Sunday Night Slaughter
- 2018: Failing Grace
- 2018: Kecksburg
- 2018: The Creature [Us]
- 2018: Departer
- 2018: BAB
- 2018: Krampus Origins
- 2018: Arbor Day
- 2018: Ashes
- 2019: Beast of Our Fathers
- 2019: Death Care
- 2019: Conspiracy Child
- The Road Killer
- Slash
- Blood Angel
- LoveTouchHate
- There's No Such Thing as Vampires
- Happy Ending
- Voodoo: Retribution
- The Note
- Harvest Moon
- Dead Hamptons
- Electrocuting Elephants
- Dream Eaters
- Shanty Town
- Aim
- Death Letter: God, Sex and War
- No Knock List
- Genesis: The Future of Mankind Is Woman
- Inverted
- Wretch
- Straight on Till Morning
- Purple Thoughts
- 2010: 8.13
- 2011: The Realm
- 2012: Not Now John
- 2013: OZM Newz
- 2013: Barry Morgan, Horror Geek
- 2016: Ravenwolf Towers
- 2011: The Gift
- 2012: Something Sinister