The Quantum Enigma is het zesde studioalbum van de Nederlandse metalband Epica. Het album werd door de platenmaatschappij Nuclear Blast op 2 mei 2014 uitgebracht.
The Phantom Agony · Feint · Cry for the Moon · Solitary Ground · Quietus (Silent Reverie) · Never Enough · Chasing the Dragon · Unleashed · Martyr of the Free Word / From the Heaven of My Heart · This is the Time · Storm the Sorrow · Forevermore · Happiness · Unleashed - taken from Retrospect · The Essence of Silence · Unchain Utopia · Live at the AB · Universal Death Squad · Edge of the Blade · Fight Your Demons · The Solace System · Crimson Bow and Arrow · If Inside These Walls Was a House · Beyond the Matrix - The Battle · Kingdom of Heaven · Abyss of Time · Freedom - The Wolves Within · Abyss 'O Time · Rivers · Omegacoustic · The Skeleton Key · Sensorium (Live at Paradiso) · The Last Crusade (Live at Paradiso) · Unchain Utopia - Omega Alive · The Skeleton Key - Omega Alive · Kingdom of Heaven Part 3 - The Antediluvian Universe - Omega Alive · Run for a Fall (Acoustic) · The Final Lullaby · The Great Tribulation · Rivers (feat. Apocalyptica) [Live at the AFAS Live] · Unleashed (Live at the AFAS Live) · Consign to Oblivion (Live at the AFAS Live) · Beyond the Matrix (Live at the AFAS Live)