| Macpherson, William | William Macpherson | Designer | 1956 | 1 | |
| Madsen, Soren | Soren Madsen | Designer | 2001 | 2 | |
| Manthey, Simone | Simone Manthey | Designer | 1998 - 2016 | 5 | 1 |
| Marker, Alex | Alex Marker | Designer | 2004 | 1 | |
| Marshall, Stuart | Stuart Marshall | Designer | 2000 | 1 | |
| Martin, Harald | Harald Martin | Designer | 1954 - 1973 | 8 | 1 |
| Massera, Jarmila | Jarmila Massera | Designer | 1971 | 1 | |
| Masson, Ernst | Ernst Masson | Designer | 1973 | 1 | |
| McCord, Michael | Michael McCord | Designer | 2000 | 1 | |
| McKintosh, Peter | Peter McKintosh | Designer | 2003 - 2007 | 4 | 1 |
| Meyer, Hartmut | Hartmut Meyer | Designer | 1985 - 1994 | 4 | |
| Miller, Manfred | Manfred Miller | Designer | 1947 - 1963 | 4 | |
| Minami, Masahiro | Masahiro Minami | Designer | 1990 | 1 | |
| Morgan, James | James Morgan | Designer | 1994 | 1 | |
| Moser, Wolfgang | Wolfgang Moser | Designer | 1960 - 1977 | 3 | |
| Motley, Robert | Robert Motley | Designer | 1956 | 1 | |
| Moyer, Allen | Allen Moyer | Designer | 1993 | 1 | |
| Murchison, Ruari | Ruari Murchison | Designer | 2002 - 2006 | 10 | |
| Muszyński, Antoni | Antoni Muszyński | Designer | 1955 | 1 | |
| Muzzolon, Marco | Marco Muzzolon | Designer | 1999 | 1 | |
| Mylrae, John | John Mylrae | Designer | 1939 | 1 | |
| McClennahan, Charles H. | Charles H. McClennahan | Designer | 1989 | 1 | |
| Madsen, Kristian Riis | Kristian Riis Madsen | Designer | 2006 | 1 | |
| Mabusenko, V. | V. Mabusenko | Designer | 1999 - 2000 | 2 | |
| Matul, Niko | Niko Matul | Designer | 1979 | 1 | |
| Marchant, Nicolas | Nicolas Marchant | Designer | 2002 | 1 | |
| Müller, V. | V. Müller | Designer | 1939 | 1 | |
| Matsuda, Takashi | Takashi Matsuda | Designer | 1958 | 1 | |
| Miraisha, - | - Miraisha | Designer | 1990 | 1 | |
| Mitchell, Gregg | Gregg Mitchell | Designer | 1984 | 1 | |
| Mira, János | János Mira | Designer | 2010 | 1 | 1 |
| Modereger, Jeff | Jeff Modereger | Designer | 2010 | 1 | |
| Merlo, Silvia | Silvia Merlo | Designer | 2006 - 2019 | 7 | |
| Merritt, Michael | Michael Merritt | Designer | 1973 - 1991 | 2 | |
| Mahaney, Richard A. | Richard A. Mahaney | Designer | 1988 | 1 | |
| Murchio, Mario | Mario Murchio | Designer | 2008 - 2011 | 4 | |
| Müller, H. | H. Müller | Designer | 1875 | 1 | |
| Maandag, Jan | Jan Maandag | Designer | 1894 | 1 | |
| Munch, Edvard | Edvard Munch | Designer | 1906 - 1966 | 9 | 2 |
| Meyer, Bernhard | Bernhard Meyer | Designer | 1925 | 1 | |
| Metzoldt, Erich | Erich Metzoldt | Designer | 1931 | 1 | |
| Mahnke, Adolf | Adolf Mahnke | Designer | 1934 - 1972 | 4 | |
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