Mike Portnoy
Diskografi

| Tahun | Band | Judul | Catatan |
| --- | --- | --- | --- |
| 1984 | Rising Power | Power for the People | tidak tersedia |
| 1986 | Inner Sanctum | 12 A.M. | tidak tersedia |
| 1986 | S. A. Adams | Unearthed |  |
| 1986 | Majesty | Majesty | demo |
| 1989 | Dream Theater | When Dream and Day Unite |  |
| 1992 | Dream Theater | Images and Words |  |
| 1994 | Dream Theater | Awake |  |
| 1995 | Dream Theater | A Change of Seasons | album pendek |
| 1997 | Dream Theater | Falling into Infinity |  |
| 1998 | Liquid Tension Experiment | Liquid Tension Experiment |  |
| 1999 | Liquid Tension Experiment | Liquid Tension Experiment 2 |  |
| 1999 | Dream Theater | Metropolis Pt. 2: Scenes from a Memory |  |
| 2000 | Transatlantic | SMPT:e |  |
| 2001 | Transatlantic | Bridge Across Forever |  |
| 2001 | Andy West | Rama 1 |  |
| 2002 | Dream Theater | Six Degrees of Inner Turbulence |  |
| 2003 | OSI | Office of Strategic Influence |  |
| 2003 | Neal Morse | Testimony |  |
| 2003 | John Arch | A Twist of Fate | album pendek |
| 2003 | Dream Theater | Train of Thought |  |
| 2004 | Neal Morse | One |  |
| 2005 | Dream Theater | Octavarium |  |
| 2005 | Neal Morse | ? |  |
| 2005 | Yellow Matter Custard | One Night in New York City | tribute untuk The Beatles (dengan Paul Gilbert, Neal Morse, and Matt Bissonette) |
| 2006 | OSI | Free |  |
| 2006 | Morse, Portnoy and George | Cover to Cover |  |
| 2006 | Hammer of the Gods | Two Nights in North America | tribute untuk Led Zeppelin (dengan Paul Gilbert, Daniel Gildenlöw, dan Dave LaRue) |
| 2006 | Cygnus and the Sea Monsters | One Night in Chicago | tribute untuk Rush (dengan Paul Gilbert, Sean Malone, dan Jason McMaster) |
| 2007 | Neal Morse | Sola Scriptura |  |
| 2007 | Dream Theater | Systematic Chaos |  |
| 2007 | Liquid Tension Experiment | Spontaneous Combustion | sebagai Liquid Trio Experiment |
| 2007 | Amazing Journey | One Night in New York City | tribute untuk The Who (dengan Paul Gilbert, Billy Sheehan, dan Gary Cherone) |
| 2008 | Neal Morse | Lifeline |  |
| 2009 | Transatlantic | The Whirlwind |  |
| 2009 | Dream Theater | Black Clouds & Silver Linings |  |
| 2010 | Avenged Sevenfold | Nightmare |  |
| 2010 | Avenged Sevenfold | Welcome to the Family | EP |
| 2011 | Adrenaline Mob | Adrenaline Mob | EP |
| 2011 | Neal Morse | Testimony 2 |  |
| 2011 | Yellow Matter Custard | One More Night in New York City | tribute untuk The Beatles (dengan Paul Gilbert, Neal Morse, dan Kasim Sulton) |
| 2012 | Adrenaline Mob | Omertà |  |
| 2012 | Flying Colors | Flying Colors |  |
| 2012 | Morse, Portnoy and George | Cover2Cover |  |
| 2012 | Neal Morse | Momentum |  |
| 2012 | The Prog World Orchestra | A Proggy Christmas |  |
| 2013 | Adrenaline Mob | Covertà | Cover EP terdiri dari lagu Badlands, Dio,  The Doors, Van Halen, Heart, Rainbow, Led Zeppelin dan Black Sabbath |
| 2013 | The Winery Dogs | The Winery Dogs |  |
| 2013 | Portnoy, Sheehan, MacAlpine and Sherinian | Live In Tokyo | Bahan dari karier individu dan kolaborasi mereka. |
| 2013 | Flying Colors | Live in Europe |  |
| 2014 | Transatlantic | Kaleidoscope |  |
| 2014 | Bigelf | Into the Maelstrom |  |
| 2014 | Paul Gilbert | Stone Pushing Uphill Man | 2 trek |
| 2014 | Flying Colors | Second Nature |  |