United States Quotes
- Morgan Wallen 1993 -
- Morgan Wootten 1931 - 2020
- Morrie Ryskind 1895 - 1985
- Morrie Schwartz 1916 - 1995
- Morris Chestnut 1969 -
- Morris Dees 1936 -
- Morris Graves 1910 - 2001
- Morris Kline 1908 - 1992
- Mort Kondracke 1939 -
- Mort Walker 1923 - 2018
- Mortimer Adler 1902 - 2001
- Morton Feldman 1926 - 1987
- Morton Gould 1913 - 1996
- Morton Hunt 1920 - 2016
- Mose Allison 1927 - 2016
- Moses Hadas 1900 - 1966
- Moses Malone 1955 - 2015
- Moss Hart 1904 - 1961
- Mother Angelica 1923 - 2016
- Mr. T 1952 -
- MRSHLL -
- Muddy Waters 1913 - 1983
- Muhammad Ali 1942 - 2016
- Muhtar Kent 1952 -
- Munky 1970 -
- Muriel Humphrey Brown 1912 - 1998
- Muriel Rukeyser 1913 - 1980
- Murray Gell-Mann 1929 - 2019
- Murray Kempton 1917 - 1997
- Murray Rothbard 1926 - 1995
- Musiq Soulchild 1977 -
- Mya 1979 -
- Mykelti Williamson 1957 -
- Myles Richard Bass 1969 -
- Myrna Loy 1905 - 1993
- Myrtle Reed 1874 - 1911
- Mystikal 1970 -
- N. C. Wyeth 1882 - 1945
- N. D. Kalu 1975 -
- N. K. Jemisin 1972 -