The Butterfly Effect
- वर्ष: 2004
- देश: Canada, United States of America
- शैली: Science Fiction, Thriller
- स्टुडिओ: FilmEngine, Katalyst Films, BenderSpink, New Line Cinema
- कीवर्ड: prison, mind control, child abuse, amnesia, chaos theory, blackout, trauma, diary, time travel, flashback, bully, love, memory loss, psychiatrist, therapy, childhood
- संचालक: Eric Bress, J. Mackye Gruber
- कास्ट: Ashton Kutcher, Amy Smart, Melora Walters, Elden Henson, William Lee Scott, Eric Stoltz