| Mad Caddies | Just One More | 2003 | LP | |
| Mad Caddies | Consentual Selections | 2010 | LP | |
| Madonna | Like a Virgin | 1984 | LP | |
| Madonna | True Blue | 1986 | LP | |
| Maijanen, Pave | Maijanen | 1984 | LP | |
| Major Lance | Now Arriving | 1978 | LP | |
| Manhattan Transfer, The | Mecca for Moderns | 1981 | LP | |
| Marley, Bob & The Wailers | Exodus | 1976 | LP | |
| Marley, Bob & The Wailers | Kaya | 1978 | LP | |
| Marley, Bob & The Wailers | Survival | 1979 | LP | |
| Marley, Bob & The Wailers | Uprising | 1980 | LP | |
| Marley, Bob & The Wailers | Confrontation | 1983 | LP | |
| Marley, Bob & The Wailers | Legend | 1984 | LP | |
| Marley, Bob & The Wailers | Trenchtown Rock | 2005 | CD | |
| Marlon Brändö | Greetings From the Mainstream | 2013 | CD | |
| Mars Volta, The | De-Loused in the Comatorium | 2003 | 2LP | |
| Mars Volta, The | Landscape Tantrums | 2022 | LP | |
| Mars Volta, The | The Mars Volta | 2022 | LP | |
| Marstio, Harri | Marstio | 1982 | LP | |
| Martikainen, Jarkko | Mierolainen | 2004 | CD | |
| Martikainen, Jarkko ja Luotetut miehet | Ruosterastaat | 2016 | LP | |
| Mastodon | Leviathan | 2004 | LP | |
| Mastodon | Blood Mountain | 2006 | LP | |
| Mastodon | Capillarian Crest | 2006 | 7" | |
| Mastodon | Crack the Skye | 2009 | LP | |
| Mastodon | Divinations | 2009 | 12" | |
| Mastodon | The Hunter | 2011 | LP | |
| Mastodon | Once More ’Round the Sun | 2014 | 2LP | |
| Mastodon | Emperor of Sand | 2017 | 2LP | |
| Mayfield, Curtis | Short Eyes - The Original Picture Soundtrack | 1977 | LP | |
| MC Taakibörsta | PA 2001 | 2001 | 12" | |
| Me First and the Gimme Gimmes | Jackson | 2003 | 7" | |
| Melaveikot | Vehkeet levällään | 2003 | 7" | |
| Memmy Posse | Vaikutuksen alaisena | 2000 | CD | |
| Memmy Posse | 12" | 2001 | 12" | |
| Memmy Posse | Aina vanteilla | 2002 | 12" | |
| Memmy Posse | Huolestuttavia merkkejä | 2004 | LP | |
| Memmy Posse | Pohjat / Saatana saapuu Helsinkiin | 2004 | 12" | |
| Mercury, Freddie | Mr. Bad Guy | 1985 | LP | |
| Mercury, Freddie | The Freddie Mercury Album | 1992 | LP | |
| Mercury, Freddie & Montserrat Caballé | Barcelona | 1988 | LP | |
| Meters, The | New Directions | 1977 | LP | |
| Miljoonasade | Laukauksia viulukotelossa | 1988 | LP | |
| Millencolin | Same Old Tunes | 1994 | LP | |
| Millencolin | Life on a Plate | 1995 | LP | |
| Millencolin | For Monkeys | 1997 | LP | |
| Millencolin | Pennybridge Pioneers | 2000 | LP | |
| Millencolin | Home from Home | 2002 | LP | |
| Millencolin | SOS | 2019 | LP | |
| Mingus, Charles | Pithecanthropus Erectus | 1956 | LP | |
| Mingus, Charles | Pre-Bird | 1961 | LP | |
| Mingus, Charles | Oh Yeah | 1962 | LP | |
| Mingus, Charles | Pithycanthropus Erectus | 1971 | LP | |
| Mistakes | Pidä huolta | 1981 | LP | |
| MNTTT | Menetetyt | 2014 | 2LP | |
| MNTTT | 2020 | 2019 | LP | |
| Modern Jazz Quartet, the and the Oscar Peterson Trio | At the Opera House | 1957 | LP | |
| Modest Mouse | Good News for People Who Love Bad News | 2004 | 2LP | |
| Modest Mouse | We Were Dead Before the Ship Even Sank | 2007 | 2LP | |
| Monk, Thelonious | Vol. 2 - Let's Cool One | 2005 | CD | |
| Montague, Jimmy | Tomorrow's Coffee | 2024 | 2LP | |
| Morricone, Ennio | Film Music 1966-1987 | 1987 | 2LP | |
| Morrison, Van | Astral Weeks | 1968 | LP | |
| Morrison, Van | Have I Told You Lately | 1989 | 7" | |
| Morrissey | Talks | 1986 | 7" | |
| Morrissey | Everyday Is Like Sunday | 1988 | 12" | |
| Morrissey | Suedehead | 1988 | 12" | |
| Morrissey | Viva Hate | 1988 | LP | |
| Morrissey | Viva Hate | 1988 | CD | |
| Morrissey | Interesting Drug | 1989 | 12" | |
| Morrissey | Ouija Board, Ouija Board | 1989 | 12" | |
| Morrissey | The Last of the Famous International Playboys | 1989 | 12" | |
| Morrissey | Bona Drag | 1990 | CD | |
| Morrissey | Bona Drag | 1990 | LP | |
| Morrissey | November Spawned a Monster | 1990 | 12" | |
| Morrissey | Piccadilly Palare | 1990 | 7" | |
| Morrissey | Battersea Patisserie - Cologne May 1991 | 1991 | LP | |
| Morrissey | Our Frank | 1991 | 12" | |
| Morrissey | Glamorous Glue | 1992 | 7" | |
| Morrissey | The Malady Lingers On | 1992 | DVD | |
| Morrissey | You're the One For Me, Fatty | 1992 | 7" | |
| Morrissey | Beethoven Was Deaf | 1993 | CD | |
| Morrissey | Vauxhall and I | 1993 | LP | |
| Morrissey | Vauxhall And I | 1994 | CD | |
| Morrissey | Southpaw Grammar | 1995 | CD | |
| Morrissey | World Of Morrissey | 1995 | CD | |
| Morrissey | Alma Matters | 1997 | 7" | |
| Morrissey | Live In Dallas | 2000 | DVD | |
| Morrissey | First of the Gang to Die | 2004 | 7" | |
| Morrissey | Let Me Kiss You | 2004 | 7" | |
| Morrissey | Who Put The 'M' In Manchester? | 2004 | DVD | |
| Morrissey | You Are The Quarry | 2004 | CD+DVD | |
| Morrissey | Live At Earls Court | 2005 | CD | |
| Morrissey | I Just Want To See the Boy Happy | 2006 | 7" | |
| Morrissey | I Just Want To See the Boy Happy | 2006 | 7" | |
| Morrissey | I Just Want To See the Boy Happy | 2006 | 12" | |
| Morrissey | In the Future When All's Well | 2006 | 7" | |
| Morrissey | Ringleader of the Tormentors | 2006 | CD+DVD | |
| Morrissey | The Youngest Was the Most Loved | 2006 | 7" | |
| Morrissey | You Have Killed Me | 2006 | 7" | |
| Morrissey | Greatest Hits | 2008 | 2LP | |
| Morrissey | I'm Throving My Arms Around Paris | 2009 | 7" | |
| Morrissey | Something Is Squeezing My Skull | 2009 | 7" | |
| Morrissey | Years of Refusal | 2009 | LP | |
| Morrissey | Years of Refusal | 2009 | LP | ≡ |
| Mr. Bungle | Mr. Bungle | 1991 | 2LP | |
| Mr. Bungle | Disco Volante | 1995 | LP | |
| Mr. Bungle | California | 1999 | CD | |
| Mr. Bungle | California | 1999 | LP | |
| Much the Same | Quitters Never Win | 2003 | LP | |
| Much the Same | Survive | 2006 | LP | |
| Much the Same | Everything Is Fine | 2019 | LP | |
| Musta valo | Kaikki on haurasta | 2017 | LP | |
| My Bloody Valentine | Loveless | 1991 | LP | |
