Artists – M
- Charles Rennie Mackintosh
- Euan Macleod
- Rene Magritte
- Roy De Maistre
- Hans Makart
- Kazimir Malevich
- Edouard Manet
- Robert Mangold
- Cyril Mann
- Brice Marden
- Dusan Marek
- Voitre Marek
- William Margetson
- Reginald Marsh
- Agnes Martin
- Dani Martin
- Jocelyn Maughan
- Collin McCahon
- Paul McCarthy
- Charles McCubbin
- Josiah McElheny
- Barry McGee
- Julian Meagher
- Josephine Meckseper
- Jonathan Meese
- Bjarne Melgaard
- Louisa Anne Meredith
- Xaver Messerschmidt
- Gabriel Metsu
- Gustav Metzger
- Diane Meur
- Margaret Michaelis
- Michelangelo
- Laurent Mignonneau
- John Everett Millais
- Lee Miller
- Yue Minjun
- Ingo Mittelstaedt
- Reg Mombassa
- Octavia Monaco
- Piet Mondrian
- William Monk
- Marcel Moore
- Armando Morales
- Mirka Mora
- Giorgio Morandi
- Marcello Morandini
- Gustave Moreau
- Kusumi Morikage
- Lewis Morley
- William Morris
- Callum Morton
- Robert Motherwell
- Nick Mount
- Alphonse Mucha
- Ugo Mulas
- Takashi Murakami
- Vali Myers
