M
- Jimmy MacBeath (1894–1972), singer
- Hamish MacCunn, (1868-1916), composer, conductor and teacher
- Amy MacDonald, Scottish singer
- Calum MacDonald, percussionist of the band Runrig
- Rory Macdonald, bassist of the band Runrig
- The MacDonald Brothers
- Canon Sydney MacEwan, singer
- Alexander Mackenzie, (1847-1935), composer, conductor and teacher
- Billy Mackenzie, singer
- Fiona J. Mackenzie, Gaelic singer
- Talitha MacKenzie
- Maeve Mackinnon, folk singer
- Dave Mackintosh, Dragonforce drummer
- Iain MacKintosh (1932-2006)
- Jessie MacLachlan (1866–1916), Gaelic soprano
- Dougie MacLean (born 1954) contemporary folk songwriter
- James MacMillan contemporary classical composer
- Catherine-Ann MacPhee, Gaelic singer
- Alan Mair, bassist from The Only Ones
- MakethisRelate, alt rock band
- Malinky, folk band
- Shirley Manson (born 1966), singer/songwriter, Garbage frontwoman, formerly of Goodbye Mr. Mackenzie and Angelfish
- Kelly Marie, singer
- Marmalade, pop/rock band and first Scottish group to ever top the UK chart.
- Helen Marnie lead singer of Ladytron
- Michael Marra, (1952-2012), singer-songwriter and musician
- Lena Martell, singer
- Bill Martin
- Malcolm Martineau (1960-), pianist
- Steve Mason
- Karen Matheson lead singer of Capercaillie
- Muir Mathieson (1911–75), conductor and composer
- Lauren Mayberry lead singer of Chvrches
- Dan McCafferty lead singer of Nazareth
- The McCalmans
- Angela McCluskey, lead singer in Wild Colonials
- Alyth McCormack, singer
- Gordeanna McCulloch, revivalist traditional Scottish singer (The Clutha)
- Adam McCulloch, traditional Scottish folk singer/songwriter (son of Gordeanna McCulloch)
- Kevin McDermott, singer–songwriter
- Terry McDermott, rock singer Driveblind
- Shelagh McDonald
- Rose McDowall, vocalist, most notably of Strawberry Switchblade and Sorrow
- Jai McDowall
- John McGeoch (1955–2004)
- Gerry McGhee, singer in the band Brighton Rock
- Raymond McGinley, Teenage Fanclub
- Matt McGinn
- Kerry McGregor (1974–2012)
- Lorraine McIntosh, singer with Deacon Blue
- Kenneth McKellar
- Jackie McKeown lead singer and guitarist for The Yummy Fur and 1990s
- Marie McLaughlin
- Michelle McManus, Pop Idol winner
- Tony McManus, steel-string guitarist
- Colin McMaster (1960-1990), Lead Singer for Heart Industry and The Steel Chain
- Brian McNeill, a founding member of the Battlefield Band
- Mendeed Glaswegian Metal Band
- Middle of the Road, pop group
- Malcolm Middleton
- Frankie Miller, Blues/Rock singer Guitarist and songwriter
- George Mitchell (1917–2002), creator of The Black and White Minstrel Show
- Aidan Moffat
- Mogwai acclaimed post rock band
- Hudson Mohawke, electronic music producer/DJ
- Momus
- Andrew Montgomery, singer
- Shona Mooney, fiddle player
- Barry Mop singer/songwriter/producer from MOPP
- Mother and the Addicts
- Mr Egg formerly known as James McDonald (born 1959), singer/songwriter, Egebamyasi Progenitor of Acid House Music
- Mull Historical Society, indie band
- Jim Mullen, jazz guitarist
- Mungo's Hi Fi
- Donnie Munro former lead singer of Runrig
- Stuart Murdoch (born 1968), singer/songwriter, Belle & Sebastian frontman
- My Latest Novel melodic indie pop band.
- Mylo, DJ
- Myke L, Rapper,songwriter
Read more about this topic: Scottish Musicians