Personen
- MacCana, Proinsias (1 Medium)
- Macke, August (1 Medium)
- MacKendrick, Paul Lachlan (1 Medium)
- Mackenzie, Finlay (1 Medium)
- Maddox, Conroy (1 Medium)
- Mader, Friedrich (1 Medium)
- Mäntele, Martin (1 Medium)
- Magall, Miriam (1 Medium)
- Magritte, René (4 Medien)
- Mahler, Gustav (1 Medium)
- Mai, Ekkehard (1 Medium)
- Maillol, Aristide (2 Medien)
- Malraux, André (1 Medium)
- Manet, Edouard (2 Medien)
- Manzu, Giocomo (1 Medium)
- Marboe, Ernst Wolfram (1 Medium)
- Marc, Franz (1 Medium)
- Marcadé, Bernard (1 Medium)
- Marchini, Giuseppe (1 Medium)
- Marini, Marino (1 Medium)
- Márkus, Hella (1 Medium)
- Marmer, Nancy (1 Medium)
- Martindale, Andrew (1 Medium)
- Martischnig, Michael (2 Medien)
- Mathildenhöhe Darmstadt (1 Medium)
- Matisse, Henri (10 Medien)
- Matt, Leonard von (1 Medium)
- Matta, Roberto (1 Medium)
- Matulla, Oskar (1 Medium)
- Maurin, Frédéric (1 Medium)
- McDonnel, Hector (1 Medium)
- Meermann, Angela (1 Medium)
- Mehigan, Janet (1 Medium)
- Meisnitzer, Fritz (1 Medium)
- Meißner, Karl-Heinz (1 Medium)
- Melas, Evi (2 Medien)
- Mertens-Feldbausch, Erica (1 Medium)
- Messer, Thomas M. (1 Medium)
- Metropolitan Museum of Art (1 Medium)
- Meyer-Amden, Otto (1 Medium)
- Meyer-Voigtländer, Wilhelm (1 Medium)
- Michalski, Sergiusz (1 Medium)
- Michelangelo (5 Medien)
- Michelangelo <Buonarroti> (2 Medien)
- Midgley, Andrew (1 Medium)
- Mikulejská, Dana (1 Medium)
- Miller, Henry (1 Medium)
- Minne-Sève, Viviane (1 Medium)
- Miró, Joan (1 Medium)
- Mitsch, Erwin (1 Medium)
- Mittringer, Robert (1 Medium)
- Modersohn-Becker, Paula (3 Medien)
- Modigliani, Amadeo (1 Medium)
- Modigliani, Amedeo (1 Medium)
- Mohn, D. Paul (1 Medium)
- Monet, Claude (3 Medien)
- Moore, Henry (1 Medium)
- Morand, Paul (1 Medium)
- MorawiÂnska, Agnieszka (1 Medium)
- Mordillo, Guillermo (1 Medium)
- Morelli, Marcello (1 Medium)
- Moreno Mendoza, Arsenio (1 Medium)
- Moses, Anna Mary (2 Medien)
- Mráz, Bohumir (1 Medium)
- Mrazek, Wilhelm (3 Medien)
- Mucha, Alfons (1 Medium)
- Mucha, Alphonse Marie (1 Medium)
- Müller, Wolfgang (1 Medium)
- Münter, Gabriele (1 Medium)
- Müseler, Karl (1 Medium)
- Müseler, Wilhelm (1 Medium)
- Munch, Edvard (3 Medien)
- Munkácsy, Mihály (1 Medium)
- Murr, Kathrin (1 Medium)
- Murray, Linda (1 Medium)
- Murray, Peter (1 Medium)
- Musée cantonal des beaux-arts Lausanne (1 Medium)
- Musée national d'art moderne, Paris (1 Medium)
- Museum des 20. Jahrhunderts Wien (3 Medien)
- Museum Moderner Kunst Stiftung Ludwig Wien (4 Medien)
- Museum moderner Kunst Wien (1 Medium)
- Musper, Heinrich Th. (2 Medien)