| Rank | Title | Year | Director(s) |
| 75 | M | 1931 | Fritz Lang |
| 128 | M*A*S*H | 1970 | Robert Altman |
| 2253 | Ma Vie en Rose | 1997 | Alain Berliner |
| 606 | Mad Max | 1979 | George Miller |
| 1721 | The Madness of King George | 1994 | Nicholas Hytner |
| 2319 | Maedchen in Uniform | 1931 | Leontine Sagan |
| 201 | The Magnificent Ambersons | 1942 | Orson Welles |
| 318 | The Magnificent Seven | 1960 | John Sturges |
| 202 | Magnolia | 1999 | Paul Thomas Anderson |
| 2380 | Major Barbara | 1941 | Gabriel Pascal |
| 1925 | Major League | 1989 | David S. Ward |
| 1452 | Make Way for Tomorrow | 1937 | Leo McCarey |
| 582 | Malcolm X | 1992 | Spike Lee |
| 2129 | Mallrats | 1995 | Kevin Smith |
| 44 | The Maltese Falcon | 1941 | John Huston |
| 1313 | A Man and a Woman | 1966 | Claude Lelouch |
| 1201 | Man Bites Dog | 1992 | Rémy Belvaux, André Bonzel, and Benoît Poelvoorde |
| 511 | A Man Escaped | 1956 | Robert Bresson |
| 482 | A Man for All Seasons | 1966 | Fred Zinnemann |
| 2205 | The Man from Laramie | 1955 | Anthony Mann |
| 1071 | The Man in the White Suit | 1951 | Alexander Mackendrick |
| 1772 | Man of Aran | 1934 | Robert J. Flaherty |
| 1538 | Man of the West | 1958 | Anthony Mann |
| 1809 | Man on Wire | 2008 | James Marsh |
| 782 | The Man Who Fell to Earth | 1976 | Nicolas Roeg |
| 1557 | The Man Who Knew Too Much | 1956 | Alfred Hitchcock |
| 288 | The Man Who Shot Liberty Valance | 1962 | John Ford |
| 665 | The Man Who Would be King | 1975 | John Huston |
| 1480 | The Man with the Golden Arm | 1955 | Otto Preminger |
| 296 | The Man with the Movie Camera | 1929 | Dziga Vertov |
| 1795 | The Man with Two Brains | 1983 | Carl Reiner |
| 2329 | The Man Without a Past | 2002 | Aki Kaurismäki |
| 124 | The Manchurian Candidate | 1962 | John Frankenheimer |
| 135 | Manhattan | 1979 | Woody Allen |
| 1147 | Manhunter | 1986 | Michael Mann |
| 617 | Manon of the Spring | 1986 | Claude Berri |
| 966 | Marathon Man | 1976 | John Schlesinger |
| 1889 | El Mariachi | 1992 | Robert Rodriguez |
| 1895 | Marius | 1931 | Alexander Korda, and Marcel Pagnol |
| 1710 | The Mark of Zorro | 1940 | Rouben Mamoulian |
| 1617 | Marnie | 1964 | Alfred Hitchcock |
| 585 | The Marriage of Maria Braun | 1979 | Rainer Werner Fassbinder |
| 2065 | Mars Attacks! | 1996 | Tim Burton |
| 1826 | Martin | 1977 | George A. Romero |
| 555 | Marty | 1955 | Delbert Mann |
| 252 | Mary Poppins | 1964 | Robert Stevenson |
| 1434 | Masculine Feminine | 1966 | Jean-Luc Godard |
| 2228 | The Mask of Zorro | 1998 | Martin Campbell |
| 1381 | The Mask | 1994 | Chuck Russell |
| 2161 | The Masque of the Red Death | 1964 | Roger Corman |
| 1056 | Master and Commander: The Far Side of the World | 2003 | Peter Weir |
| 1420 | Matewan | 1987 | John Sayles |
| 1249 | The Matrix Reloaded | 2003 | Andy and Larry Wachowski |
| 2104 | The Matrix Revolutions | 2003 | Andy and Larry Wachowski |
| 42 | The Matrix | 1999 | Andy and Larry Wachowski |
| 290 | McCabe & Mrs. Miller | 1971 | Robert Altman |
| 1681 | Mean Girls | 2004 | Mark Waters |
| 190 | Mean Streets | 1973 | Martin Scorsese |
| 1793 | Medium Cool | 1969 | Haskell Wexler |
| 1231 | Meet John Doe | 1941 | Frank Capra |
| 226 | Meet Me in St. Louis | 1944 | Vincente Minnelli |
| 1066 | Meet the Parents | 2000 | Jay Roach |
| 1824 | Melvin and Howard | 1980 | Jonathan Demme |
| 136 | Memento | 2000 | Christopher Nolan |
| 1207 | Memories of Underdevelopment | 1968 | Tomás Gutiérrez Alea |
| 562 | Men in Black | 1997 | Barry Sonnenfeld |
| 1632 | Menace II Society | 1993 | Albert and Allen Hughes |
| 1179 | Mephisto | 1981 | István Szabó |
| 1734 | The Merry Widow | 1934 | Ernst Lubitsch |
| 1020 | Meshes of the Afternoon | 1943 | Maya Deren and Alexander Hammid |
| 2313 | Metallica: Some Kind of Monster | 2004 | Joe Berlinger and Bruce Sinofsky |
| 53 | Metropolis | 1927 | Fritz Lang |
| 1423 | Metropolitan | 1990 | Whit Stillman |
| 1177 | Midnight | 1939 | Mitchell Leisen |
| 1454 | A Midnight Clear | 1992 | Keith Gordon |
| 142 | Midnight Cowboy | 1969 | John Schlesinger |
| 1595 | Midnight Express | 1978 | Alan Parker |
| 1021 | Midnight Run | 1988 | Martin Brest |
| 388 | Mildred Pierce | 1945 | Michael Curtiz |
| 1856 | Milk | 2008 | Gus Van Sant |
| 460 | Miller's Crossing | 1990 | Joel Coen |
| 536 | Million Dollar Baby | 2004 | Clint Eastwood |
| 2006 | Million Dollar Legs | 1932 | Edward F. Cline |
| 1514 | Le Million | 1931 | René Clair |
| 796 | Minority Report | 2002 | Steven Spielberg |
| 1483 | Miracle | 2004 | Gavin O'Connor |
| 1881 | Miracle in Milan | 1951 | Vittorio De Sica |
| 487 | The Miracle of Morgan's Creek | 1944 | Preston Sturges |
| 540 | Miracle on 34th Street | 1947 | George Seaton |
| 1174 | The Miracle Worker | 1962 | Arthur Penn |
| 887 | The Mirror | 1975 | Andrei Tarkovsky |
| 1985 | Les Misérables | 1995 | Claude Lelouch |
| 1202 | Misery | 1990 | Rob Reiner |
| 1549 | The Misfits | 1961 | John Huston |
| 2297 | Mishima: A Life in Four Chapters | 1985 | Paul Schrader |
| 1676 | Missing | 1982 | Costa-Gavras |
| 1355 | The Mission | 1986 | Roland Joffé |
| 963 | Mission: Impossible | 1996 | Brian De Palma |
| 2368 | Mississippi Burning | 1988 | Alan Parker |
| 1842 | Mississippi Masala | 1991 | Mira Nair |
| 863 | Mister Roberts | 1955 | John Ford and Mervyn LeRoy |
| 108 | Modern Times | 1936 | Charles Chaplin |
| 2036 | Mommie Dearest | 1981 | Frank Perry |
| 850 | Mon Oncle | 1958 | Jacques Tati |
| 1300 | Mon oncle d'Amérique | 1980 | Alain Resnais |
| 2374 | Mona Lisa | 1986 | Neil Jordan |
| 1754 | Monkey Business | 1931 | Norman Z. McLeod |
| 755 | Monsieur Verdoux | 1947 | Charles Chaplin |
| 940 | Monsoon Wedding | 2001 | Mira Nair |
| 2221 | Monster | 2003 | Patty Jenkins |
| 607 | Monsters, Inc. | 2001 | Pete Docter |
| 133 | Monty Python and the Holy Grail | 1975 | Terry Gilliam and Terry Jones |
| 2369 | Monty Python's The Meaning of Life | 1983 | Terry Gilliam and Terry Jones |
| 2256 | Moon | 2009 | Duncan Jones |
| 2088 | Moonlighting | 1982 | Jerzy Skolimowski |
| 445 | Moonstruck | 1987 | Norman Jewison |
| 1945 | The More the Merrier | 1943 | George Stevens |
| 1097 | Morocco | 1930 | Josef von Sternberg |
| 2133 | Mother | 1926 | Vsevolod Pudovkin |
| 1471 | Mother and Son | 1997 | Aleksandr Sokurov |
| 1087 | The Mother and the Whore | 1973 | Jean Eustache |
| 2238 | Mother India | 1957 | Mehboob Khan |
| 1531 | The Motorcycle Diaries | 2004 | Walter Salles |
| 1837 | Mouchette | 1967 | Robert Bresson |
| 219 | Moulin Rouge! | 2001 | Baz Luhrmann |
| 1980 | The Mouse That Roared | 1959 | Jack Arnold |
| 654 | Mr. Deeds Goes to Town | 1936 | Frank Capra |
| 1780 | Mr. Holland's Opus | 1995 | Stephen Herek |
| 311 | Mr. Hulot's Holiday | 1953 | Jacques Tati |
| 156 | Mr. Smith Goes to Washington | 1939 | Frank Capra |
| 1388 | Mrs. Doubtfire | 1993 | Chris Columbus |
| 949 | Mrs. Miniver | 1942 | William Wyler |
| 2289 | Much Ado about Nothing | 1993 | Kenneth Branagh |
| 2140 | Mulan | 1998 | Tony Bancroft and Barry Cook |
| 310 | Mulholland Dr. | 2001 | David Lynch |
| 852 | The Mummy | 1932 | Karl Freund |
| 1246 | The Mummy | 1999 | Stephen Sommers |
| 1923 | Munich | 2005 | Steven Spielberg |
| 1243 | The Muppet Movie | 1979 | James Frawley |
| 2105 | Murder on the Orient Express | 1974 | Sidney Lumet |
| 1241 | Murder, My Sweet | 1944 | Edward Dmytryk |
| 2379 | Murderball | 2005 | Henry Alex Rubin and Dana Adam Shapiro |
| 960 | Muriel's Wedding | 1994 | P.J. Hogan |
| 2215 | Murmur of the Heart | 1971 | Louis Malle |
| 1678 | The Music Box | 1932 | James Parrott |
| 773 | The Music Man | 1962 | Morton DaCosta |
| 1317 | The Music Room | 1959 | Satyajit Ray |
| 447 | Mutiny on the Bounty | 1935 | Frank Lloyd |
| 610 | My Beautiful Laundrette | 1985 | Stephen Frears |
| 1270 | My Best Friend's Wedding | 1997 | P.J. Hogan |
| 1740 | My Big Fat Greek Wedding | 2002 | Joel Zwick |
| 2295 | My Bodyguard | 1980 | Tony Bill |
| 1096 | My Brilliant Career | 1979 | Gillian Armstrong |
| 1940 | My Cousin Vinny | 1992 | Jonathan Lynn |
| 263 | My Darling Clementine | 1946 | John Ford |
| 1139 | My Dinner with Andre | 1981 | Louis Malle |
| 164 | My Fair Lady | 1964 | George Cukor |
| 2332 | My Favorite Wife | 1940 | Garson Kanin |
| 1337 | My Favorite Year | 1982 | Richard Benjamin |
| 683 | My Left Foot | 1989 | Jim Sheridan |
| 700 | My Life as a Dog | 1985 | Lasse Hallström |
| 1028 | My Life to Live | 1962 | Jean-Luc Godard |
| 2130 | My Little Chickadee | 1940 | Edward F. Cline |
| 538 | My Man Godfrey | 1936 | Gregory La Cava |
| 554 | My Neighbor Totoro | 1988 | Hayao Miyazaki |
| 805 | My Night at Maud's | 1969 | Eric Rohmer |
| 991 | My Own Private Idaho | 1991 | Gus Van Sant |
| 1025 | The Mystery of Kaspar Hausar | 1974 | Werner Herzog |
| 2034 | Mystery Train | 1989 | Jim Jarmusch |
| 1511 | Mystic River | 2003 | Clint Eastwood |
