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- Macdonald Stewart Art Centre (0 artworks) – Guelph, Canada
- MacKenzie Art Gallery (4 artworks) – Regina, Canada – artworks
- Madison Museum of Contemporary Art (0 artworks) – Madison, WI, USA
- Magasin 3 Stockholm Konsthall (1 artworks) – Stockholm, Sweden – artworks
- Magnani Rocca Foundation (1 artworks) – Parma, Italy – artworks
- Maidstone Museum and Bentlif Art Gallery (1 artworks) – Maidstone, UK – artworks
- Maier Museum of Art (2 artworks) – Lynchburg, VA, USA – artworks
- Maison Descartes (French Institute of the Netherlands) (1 artworks) – Amsterdam, Netherlands – artworks
- Maltwood Art Museum (0 artworks) – Victoria, Canada
- Manchester City Galleries (38 artworks) – Manchester, UK – artworks
- Maramures Museum (5 artworks) – Baia Mare, Romania – artworks
- Marble Hill House (1 artworks) – Twickenham, UK – artworks
- Marble Hill House (0 artworks) – London, UK
- Marie Walsh Sharpe Art Foundation (2 artworks) – Colorado Springs, CO, USA – artworks
- Marienkirche (1 artworks) – Dortmund, Germany – artworks
- Markisches Museum (2 artworks) – Berlin, Germany – artworks
- Marx Memorial Library (0 artworks) – London, UK
- Maryhill Museum of Art (1 artworks) – Goldendale, WA, USA – artworks
- Massachusetts Museum of Contemporary Art (4 artworks) – North Adams, MA, USA – artworks
- Mátra Culture-House (1 artworks) – Gyöngyös, Hungary – artworks
- Matthias Church (1 artworks) – Budapest, Hungary – artworks
- Mauritshuis (70 artworks) – The Hague, Netherlands – artworks
- Mayor's office of Szászvár (2 artworks) – Szászvár, Hungary – artworks
- McMaster Museum of Art (0 artworks) – Hamilton, Canada
- McMichael Canadian Art Collection (4 artworks) – Kleinburg, Canada – artworks
- McMullen Museum of Art (1 artworks) – Boston, MA, USA – artworks
- McNay Art Museum (3 artworks) – San Antonio, TX, USA – artworks
- Mead Art Museum at Amherst College (4 artworks) – Amherst, MA, USA – artworks
- Meadows Museum (3 artworks) – Dallas, TX, USA – artworks
- Memlingmuseum - Sint-Janshospitaal (22 artworks) – Bruges, Belgium – artworks
- Memorial Art Gallery of Rochester (35 artworks) – Rochester, NY, USA – artworks
- Memphis Brooks Museum of Art (4 artworks) – Memphis, TN, USA – artworks
- Mendel Art Gallery (1 artworks) – Saskatoon, Canada – artworks
- Menil Collection (4 artworks) – Houston, TX, USA – artworks
- Metropolitan Museum of Art (585 artworks) – New York, NY, USA – artworks
- Miami Art Museum (1 artworks) – Miami, FL, USA – artworks
- Michael C. Carlos Museum (0 artworks) – Atlanta, GA, USA
- Michener Art Museum (0 artworks) – Doylestown, PA, USA
- Middelheimmuseum (0 artworks) – Antwerp, Belgium
- Middlebury College Museum of Art (1 artworks) – Middlebury, VT, USA – artworks
- Midwest Museum of American Art (0 artworks) – Elkhart, IN, USA
- Mie Prefectural Art Museum (1 artworks) – Mie, Japan – artworks
- Migros Museum (6 artworks) – Zurich, Switzerland – artworks
- Miksa Róth Memorial House (1 artworks) – Budapest, Hungary – artworks
- Mildred Lane Kemper Art Museum, Washington University (5 artworks) – St. Louis, MO, USA – artworks
- Mill gallery (1 artworks) – Nyíracsád, Hungary – artworks
- Milwaukee Art Museum (15 artworks) – Milwaukee, WI, USA – artworks
- Ministry of Education and Culture (1 artworks) – Budapest, Hungary – artworks
- Minneapolis Institute of Arts (73 artworks) – Minneapolis, MN, USA – artworks
- Minnesota Museum of American Art (0 artworks) – Saint Paul, MN, USA
