M83 Songs: Midnight City - Oblivion (& Susanne Sundfør)
Macklemore & Ryan Lewis
See also: Macklemore
Songs: Downtown - Can't Hold Us (& Ray Dalton) - Thrift Shop (& Wanz) - Same Love (& Mary Lambert) - White Walls (& 15336Hollis)
Madagascar Songs: I Like to Move It (Sacha Baron Cohen) - Big And Chunky (will.i.am & Moto Moto) - Celebrate (Pitbull)
Lee Majors Songs: The Unknown Stuntman (The Fall Guy)
Aimee Mann Songs: Independent Together (& Ted Leo & Deedee Magno Hall (Steven Universe)) - Stupid Thing
Marcus & Martinus Songs: Unforgettable (Eurovision Sweden)
Mariza Songs: Chuva
Marjo
Marjolène Morin
Songs: Provocante - Illégal (& Corbeau) - S'il fallait - Les yeux du cœur (& Gerry Boulet) - Chats sauvages
Maro Songs: Saudade, Saudade (Eurovision Portugal)
Briston Maroney
Briston Lee Maroney
Songs: Freakin' Out on the Interstate
Maroon 5
Adam Levine, James Valentine, Jesse Carmichael, Michael Madden, Matt Flynn & Ryan Dusick
Songs: This Love - Memories - Moves Like Jagger (& Christina Aguilera) - The Way You Look Tonight - Sugar
Marteria
Also known as Marsimoto
Songs: Kids (2 Finger an den Kopf) - Lila Wolken (Yasha & Miss Platnum) - Eule (& Jan Delay)
Bryan Martin
Songs: We Ride - Beauty in the Struggle - Everyone's an Outlaw - Fafo (& Charlie Farley, OG Caden & Austin Tolliver)
Elvis Martínez Songs: Así fue (Bachata)
Masego Songs: Tadow (& FKJ)
Massive Attack
Songs: Teardrop (& Elizabeth Fraser) - Unfinished Sympathy - Live with Me (& Terry Callier)
Mastodon Songs: Blood and Thunder (& Neil Fallon)
Matthieu Chedid (-M-)
Songs: La Seine (& Vanessa Paradis) - Je dis aime - La bonne étoile - Belleville rendez-vous (Les triplettes de Belleville) - À toi (& Gail Ann Dorsey)
Maverick City Music Songs: Firm Foundation (He Won't) (& Naomi Raine, Chandler Moore & Cody Carnes) - Promises (& Joe L Barnes & Naomi Raine)
The Mavericks
Raul Malo, Robert Reynolds, Paul O'Rourke, Eddie Deakin, Mitchell Quinn, David Lee Holt, Nick O'Kane, Ben Peeler & Ashley Price
Songs: Back In Your Arms Again - I Don't Care If You Love Me Anymore - Before the Next Teardrop Falls - Dance the Night Away - All You Ever Do Is Bring Me Down
Edward Maya Songs: Stereo Love (& Vika Jigulina) - This Is My Life (& Vika Jigulina)
Kym Mazelle Songs: Young Hearts Run Free (Romeo + Juliet)
Bonez MC Songs: 500 PS (& RAF Camora) - Extasy (& 187 Strassenbande & Frauenarzt) - Ohne mein Team (& RAF Camora & Maxwell)
Lizzy McAlpine
Also known as Elizabeth Catherine McAlpine
Songs: Ceilings - Doomsday - Just the Two of Us (& Scary Pockets & Swatkins) - Call Your Mom (& Noah Kahan) - Pancakes for Dinner
Jim McCann Songs: Grace
Marilyn McCoo Songs: You Don't Have to Be a Star (& Billy Davis Jr.)
Charlie Mcgettigan Songs: Rock 'n' Roll Kids (& Paul Harrington)
Maria Mckee Songs: Show Me Heaven (Days of Thunder) - If Love Is a Red Dress (Hang Me in Rags) (Pulp Fiction)
Sarah McLachlan
Songs: When She Loved Me - Run (& Josh Groban) - Adia - Angel (In the Arms of an Angel) - Blackbird
Gerard McMann Songs: Cry Little Sister (The Lost Boys)
Big Jay McNeely Songs: There Is Something On Your Mind (& Little Sonny Warner)
Medina Songs: You And I
Melanie C
Melanie Chisholm Also known as Mel C
See also: Spice Girls

Songs: When You're Gone (& Bryan Adams) - First Day of My Life - Loving You (& Matt Cardle)
Melody (Melodía Ruiz Gutiérrez)
Songs: Esa diva (Eurovision Spain)
Felix Mendelssohn Songs: Wedding March (A Midsummer Night's Dream)
Matthieu Mendès Songs: Cendrillon - Okay (& Pomme)
Ménélik Songs: Bye Bye (& Imane D)
MC Menor JP Songs: Menina de Vermelho (& RAMONMIX & The Ironix)
Mentissa
Also known as Mentissa Aziza
Songs: Et bam - Désolée - Balance - Mamma Mia - Le bruit du silence
Metal Gear Solid Songs: Snake Eater (Cynthia Harrell)
Metallica
James Hetfield, Lars Ulrich, Kirk Hammett & Robert Trujillo
Songs: Nothing Else Matters - Enter Sandman - For Whom the Bell Tolls - Master of Puppets - Fuel
Metalocalypse
Songs: Awaken (Dethklok) - Murmaider (Dethklok) - Birthday Dethday (Dethklok)
mgk
Machine Gun Kelly (Colson Baker)
Songs: Lonely Road (& Jelly Roll) - Bloody Valentine - Sun to Me - Rap Devil - Papercuts
Miguel
Miguel Jontel Pimentel
Songs: Lotus Flower Bomb (& Wale) - Weekend (& Mac Miller) - Sure Thing - Power Trip (& J. Cole) - Adorn
Miia Songs: Dynasty
Military Wives Choir Songs: Sing (& Gary Barlow & The Commonwealth Band) - Wherever You Are (X Factor)
Glenn Miller
Glenn Miller And His Orchestra
Songs: Chattanooga Choo Choo - In the Mood - Moonlight Serenade
Amedeo Minghi Songs: Vattene amore (& Mietta)
Les Misérables (film)
Musical film 2012
See also: Les Misérables (musical) & Les Misérables (comédie musicale)

Songs: Stars - On My Own (Samantha Barks) - Bring Him Home - I Dreamed a Dream (Anne Hathaway) - Empty Chairs at Empty Tables (Eddie Redmayne)
Miss Montreal
Songs: Door de wind (Beste zangers 2020) - Have You Ever Seen the Rain (& Milow) - Ik zoek alleen mezelf (& Paskal Jakobsen) - Hey mam (Beste Zangers) - Hoe (& Nielson)
Miss Saigon
Musicals & Broadway (1989)
Claude-Michel Schoenberg & Alain Boublil

Songs: The Last Night of the World - I'd Give My Life For You - Why, God, Why? - Bui Doi - Sun and Moon
Mistinguett
Jeanne Bourgeois
Songs: Ça c'est Paris - C'est vrai - Mon homme
Mk.gee Songs: Rockman
Moana
Musical film (2016)
See also: Moana 2

Songs: How Far I'll Go (Auli'i Cravalho) - You're Welcome - How Far I'll Go (Alessia Cara) - Shiny (Jemaine Clement) - We Know the Way
Moana 2
Musical film (2024)
See also: Moana

Songs: Get Lost (Awhimai Fraser) - Beyond (Auli'i Cravalho & Rachel House) - What Could Be Better Than This? - Beyond (end credit version) (Auli'i Cravalho & Te Vaka) - Que peut-on rêver de mieux ?
Models Songs: Fame
Moncrieff Songs: Warm
Monifah Songs: Touch It
Bill Monroe Songs: Blue Moon of Kentucky - In the Pines (& The Bluegrass Boys)
Monsters, Inc. Songs: If I Didn't Have You - Si je ne t'avais pas (Eric Métayer & Jacques Frantz)
Omar Montes Songs: La sevillana - El pantalón (rumbas) (& Lola Índigo & Las Chuches) - Solo (& Ana Mena & Maffio) - Alocao (& Bad Gyal)
The Moody Blues
Graeme Edge, Justin Hayward, John Lodge, Denny Laine, Mike Pinder, Ray Thomas, Clint Warwick, Rodney Clark & Patrick Moraz
Songs: Nights in White Satin (Single Version) - Nights in White Satin (Album Version) - For My Lady - Go Now - Melancholy Man
Martin Morero
Songs: Spijt is voor later - Echte liefde (Gooische Vrouwen)
Moriarty Songs: Jimmy
Mortal Kombat Songs: Techno Syndrome (The Immortals)
Teedra Moses
Also known as Teedra Shenita Moses
Songs: Be Your Girl
Motel Songs: Dime ven
Motörhead
Lemmy Kilmister, Phil Campbell & Mikkey Dee
Songs: Ace of Spades - The Game - Motorhead - Heroes - Bomber
Mousse T.
Songs: Sex Bomb (& Tom Jones) - Horny '98 (& Hot 'n' Juicy & Inaya Day)
Mae Muller Songs: Better Days (& Neiked & Polo G) - I Wrote a Song (Eurovision United Kingdom)
Muscadine Bloodline
Gary Stanton & Charlie Muncaster
Songs: Me On You - 10-90 - Porch Swing Angel - Pieces (& Lainey Wilson) - Dyin' for a Livin'
Muse
Matthew Bellamy, Dominic Howard & Christopher Wolstenholme
Songs: Uprising - Psycho - Madness - New Born - Take a Bow
The Music Man (1957 musical) Songs: Ya Got Trouble (Robert Preston) - Seventy Six Trombones (Robert Preston) - Good Night My Someone (Barbara Cook )
Mustii Songs: Before the Party's Over (Eurovision Belgium)