Laurent-Honore Marqueste (French, 1848–1920) Henri Jean Guillaume Martin (French, 1860–1943) Jacques Martin-Ferrières (French, 1893–1972) Ezio Martinelli (American, 1913–1981) Maryan (Pinchas Burstein) (American/Polish, 1927–1977) Alfred Henry Maurer (American, 1868–1932) Edward Francis McCartan (American, 1879–1947) Mary McDonnell Carlos Mérida (Guatemalan, 1895–1984) Constantin Meunier (Belgian, 1831–1905) Henri Michaux (Belgian, 1899–1984) Sam Middleton (American, 1927–2015) Vasa Velizar Mihich (American/Yugoslavian, born 1933) Earl Beauford Miller (American, 1930–2003) Carl (Wilhelm Emile) Milles (Swedish, 1875–1955)
Jeffrey Milstein (American, born 1944) Francisco Miralles y Galup (Spanish, 1848–1901) Joan Miró (Spanish, 1893–1983) Louis Charles Moeller (American, 1855–1930) Jules Moigniez (French, 1835–1894) Pierre Eugène Montézin (French, 1874–1946) Francis Luis Mora (American, 1874–1940) Henry Moret (French, 1856–1913) John Hamilton Mortimer (British, 1741–1779) Robert Motherwell (American, 1915–1991) Joseph Mozier (American, 1812–1870) Jan Müller (American/German, 1922–1958) Masayuki Nagare (Japanese, 1923–2018) Robert Natkin (American, 1930–2010) Allen G. Newman (American, 1875–1940)
