127 artists
- Dora Maar (1)
- Robert MacBryde (1)
- Margaret Macdonald Mackintosh (1)
- John Blake MacDonald (1)
- Patricia Macdonald (3)
- James Pittendrigh MacGillivray (2)
- William York MacGregor (2)
- David Mach (6)
- Graham MacIndoe (1)
- Lucinda L. Mackay (3)
- William Darling McKay (1)
- Tracy Mackenna (1)
- Charles Rennie Mackintosh (2)
- Will Maclean (1)
- Kenneth MacLeay (2)
- Donald Maclellan (21)
- Murdo MacLeod (3)
- Sir Daniel Macnee (2)
- Robert Macpherson (1)
- William MacQuitty (1)
- Sir William MacTaggart (3)
- Conroy Maddox (1)
- Nicolaes Maes (1)
- Alessandro Maganza (1)
- René Magritte (6)
- Mari Mahr (3)
- Aristide Maillol (1)
- Alex Main (3)
- Pradip Malde (3)
- Tricia Malley (1)
- Pietro Malombra (1)
- Man Ray (15)
- Gerald Mangan (1)
- Gildon Manton (1)
- Robert Mapplethorpe (62)
- Mara (1)
- Marino Marini (1)
- Jacob Maris (5)
- William Marlow (1)
- Agnes Martin (3)
- David Martin (5)
- John Martin (1)
- Kenneth Martin (2)
- Oscar Marzaroli (1)
- André Masson (1)
- Quentin Massys (1)
- Master of the San Lucchese Altarpiece (2)
- Agostino Masucci (2)
- Henri Matisse (3)
- Matta (1)
- Jessie Ann Matthew (13)
- John Maxwell (2)
- Wolfgang Dietrich Mayer (1)
- Roger Mayne (2)
- James McBey (1)
- Chad McCail (3)
- William McCance (5)
- Don McCullin (1)
- Horatio McCulloch (6)
- Ambrose McEvoy (1)
- Alexander McGlashan (1)
- Nigel McIsaac (1)
- Alison McKenzie (1)
- Joseph McKenzie (1)
- Winifred McKenzie (1)
- Bruce McLean (3)
- John McLean (1)
- Wendy McMurdo (5)
- Caroline McNairn (1)
- Colin McPherson (4)
- Jennifer McRae (2)
- William McTaggart (6)
- Ishbel McWhirter (2)
- Frederick Edward McWilliam (1)
- Sir John Baptiste de Medina (9)
- Susan Meiselas (1)
- Margaret Mellis (1)
- Arthur Melville (5)
- Ronald Leslie Melville (1)
- Donald Mennie (1)
- Edward Stanley Mercer (1)
- Peter Merecinus (1)
- Mario Merz (1)
- Ivan Meštrovic (1)
- Jean Metzinger (1)
- Martin van Meytens the Younger (1)
- David Michie (1)
- Alastair Michie (1)
- Studio of Michiel van Miereveld (1)
- John Miers (1)
- Lee Miller (7)
- Jean-François Millet (2)
- Joan Miró (6)
- Gunnie Moberg (3)
- Alexander Moffat (12)
- Frank Moffat (1)
- John Moffat (5)
- László Moholy-Nagy (1)
- John Moir (1)
- Paolo Monaldi (1)
- Piet Mondrian (1)
- Claude Monet (5)
- Henry Moore (4)
- Giorgio Morandi (1)
- Inge Morath (1)
- Jacob More (1)
- Berthe Morisot (1)
- Giovanni Battista Moroni (1)
- Desmond Morris (1)
- Anthony Morrow (3)
- Alastair Morton (1)
- Andrew Morton (1)
- Victoria Morton (1)
- Lida Moser (4)
- William Mosman (3)
- Robert Motherwell (1)
- F-J Moulin (1)
- Andy Moxon (1)
- Zwelethu Mthethwa (1)
- Alphonse Mucha (1)
- Ron Mueck (4)
- Edvard Munch (2)
- Alexander Munro (1)
- Bartolomé Esteban Murillo (1)
- Charles Murray (1)
- Dr John Murray (1)
- Daniel Mytens (1)
