With the October Project

• October Project (1993, Epic Records)
• Falling Farther In (1996, Epic Records)

Solo career

• Lenses of Contact EP (2001, Roughmix Records)
• The Other Side of Time (2003, Sony Odyssey)
• Gods and Generals – Original Motion Picture Soundtrack (2003, Sony Classical)
• The Guys – Original Motion Picture Soundtrack (2003, Sony Classical)
• Classics for a New Century (2003, Sony Classical)
• Mary Fahl: From the Dark Side of the Moon (to be released in 2010)
• Gravity (Tentative Title) – 10-song album to be released in 2010