Productions M
| Maa | Oct 31, 1991 | Production |
| Maaliskuun Maitokahvit | Mar 14, 1998 | Production |
| Macbeth | Nov 20, 1979 | Production |
| Macbeth | Sep 18, 1980 | Production |
| Macbeth (Soviet Union) | May 22, 1982 | Production |
| Madama Butterfly | Sep 5, 1999 | Production |
| Madama Butterfly | Jan 26, 2018 | Production |
| Madame Butterfly | Jan 14, 1920 | Production |
| Madame Butterfly | Oct 30, 1980 | Production |
| Maddalena | Jan 7, 1988 | Production |
| Made in Finland | Mar 11, 2010 | Production |
| Mahler: 6. sinfonia | Aug 19, 2006 | Production |
| Maisteri Raiskion oopperatunti | Apr 2, 2005 | Production |
| Malja Maijalle! | Jun 8, 1996 | Production |
| Manon | Jan 22, 1939 | Production |
| Manon | Mar 4, 1954 | Production |
| Manon | Mar 11, 2011 | Production |
| Manon Lescaut | Sep 23, 2005 | Production |
| Manon Lescaut | Mar 24, 1977 | Production |
| Manon Lescaut | Feb 27, 1931 | Production |