Megan Taylor Meier (November 6, 1992 – October 17, 2006) was an American teenager from Dardenne Prairie, Missouri who committed suicide by hanging three weeks before her 14th birthday. A year later, Meier's parents prompted an investigation into the matter and her suicide was attributed to cyber-bullying through the social networking website MySpace. The mother of a friend of Meier, Lori Drew, was later indicted on the matter in 2008, but in 2009, Drew was acquitted.
Megan Meier was born in O'Fallon, Missouri to Christina Laherty and Ronald Meier. She had lived in nearby Dardenne Prairie her childhood, with her parents and sister Allison.
From the third grade Megan had been under the care of a psychiatrist. She had been prescribed citalopram, methylphenidate and ziprasidone. She had been diagnosed with attention deficit disorder and depression and considered herself overweight. She was described by her parents as a "bubbly, goofy" girl who enjoyed spending time with her friends and family.