Mike Portnoy

Mike Portnoy (lahir 20 April 1967) adalah mantan drummer kelompok musik Dream Theater. Ia juga memiliki beberapa proyek sampingan seperti TransAtlantic, O.S.I dan Liquid Tension Experiment. Dan saat ini menjadi drummer aditional Avenged Sevenfold menggantikan Jimmy 'The Rev'.
Dream Theater

James LaBrie | John Myung | John Petrucci | Mike Portnoy | Jordan Rudess

Charlie Dominici | Kevin Moore | Derek Sherinian

Discography
Albums and extended plays: When Dream and Day Unite | Images and Words | Live at the Marquee | Awake | A Change of Seasons | Falling into Infinity | Once in a LIVEtime | Scenes from a Memory | Live Scenes from New York | Six Degrees of Inner Turbulence | Train of Thought | Live at Budokan | Octavarium | Systematic Chaos

Videos and DVDs: Images and Words: Live in Tokyo | 5 Years in a Livetime | Metropolis 2000: Scenes from New York | Live at Budokan

Songs: Pull Me Under | Another Day | A Mind Beside Itself | The Glass Prison