| Rank | Title | Year | Director(s) |
| 84 | M | 1931 | Fritz Lang |
| 344 | M*A*S*H | 1970 | Robert Altman |
| 2871 | Ma Vie en Rose | 1997 | Alain Berliner |
| 2850 | The Machinist | 2004 | Brad Anderson |
| 614 | Mad Max | 1979 | George Miller |
| 113 | Mad Max: Fury Road | 2015 | George Miller |
| 1925 | Maedchen in Uniform | 1931 | Leontine Sagan |
| 456 | The Magnificent Ambersons | 1942 | Orson Welles |
| 388 | The Magnificent Seven | 1960 | John Sturges |
| 387 | Magnolia | 1999 | Paul Thomas Anderson |
| 1422 | Major League | 1989 | David S. Ward |
| 1279 | Make Way for Tomorrow | 1937 | Leo McCarey |
| 555 | Malcolm X | 1992 | Spike Lee |
| 81 | The Maltese Falcon | 1941 | John Huston |
| 1229 | Mamma Mia! | 2008 | Phyllida Lloyd |
| 2903 | Mamma Mia! Here We Go Again | 2018 | Ol Parker |
| 2756 | Mamma Roma | 1962 | Pier Paolo Pasolini |
| 2266 | A Man and a Woman | 1966 | Claude Lelouch |
| 2131 | Man Bites Dog | 1992 | Rémy Belvaux, André Bonzel, and Benoît Poelvoorde |
| 617 | A Man Escaped | 1956 | Robert Bresson |
| 1237 | A Man for All Seasons | 1966 | Fred Zinnemann |
| 1858 | The Man from Laramie | 1955 | Anthony Mann |
| 2427 | The Man in the White Suit | 1951 | Alexander Mackendrick |
| 2730 | Man of Aran | 1934 | Robert J. Flaherty |
| 2501 | Man of Marble | 1977 | Andrzej Wajda |
| 2125 | Man of Steel | 2013 | Zack Snyder |
| 2127 | Man of the West | 1958 | Anthony Mann |
| 2062 | Man on Fire | 2004 | Tony Scott |
| 3060 | Man on the Moon | 1999 | Milos Forman |
| 644 | Man on Wire | 2008 | James Marsh |
| 684 | The Man Who Fell to Earth | 1976 | Nicolas Roeg |
| 1465 | The Man Who Knew Too Much | 1956 | Alfred Hitchcock |
| 2816 | The Man Who Laughs | 1928 | Paul Leni |
| 230 | The Man Who Shot Liberty Valance | 1962 | John Ford |
| 2858 | The Man Who Wasn't There | 2001 | Joel Coen |
| 921 | The Man Who Would be King | 1975 | John Huston |
| 240 | The Man with the Movie Camera | 1929 | Dziga Vertov |
| 1653 | The Man with the Golden Arm | 1955 | Otto Preminger |
| 2873 | The Man with Two Brains | 1983 | Carl Reiner |
| 3020 | The Man without a Past | 2002 | Aki Kaurismäki |
| 1171 | Manchester by the Sea | 2016 | Kenneth Lonergan |
| 261 | The Manchurian Candidate | 1962 | John Frankenheimer |
| 2522 | Mandy | 2018 | Panos Cosmatos |
| 191 | Manhattan | 1979 | Woody Allen |
| 1626 | Manhunter | 1986 | Michael Mann |
| 1874 | Manon of the Spring | 1986 | Claude Berri |
| 2027 | The Many Adventures of Winnie the Pooh | 1977 | John Lounsbery and Wolfgang Reitherman |
| 2209 | Marathon Man | 1976 | John Schlesinger |
| 1385 | March of the Penguins | 2005 | Luc Jacquet |
| 2582 | Margaret | 2011 | Kenneth Lonergan |
| 1779 | El Mariachi | 1992 | Robert Rodriguez |
| 1793 | Marie Antoinette | 2006 | Sofia Coppola |
| 2388 | Marketa Lazarová | 1967 | Frantisek Vlácil |
| 1785 | Marnie | 1964 | Alfred Hitchcock |
| 1007 | The Marriage of Maria Braun | 1979 | Rainer Werner Fassbinder |
| 1539 | Marriage Story | 2019 | Noah Baumbach |
| 2083 | Mars Attacks! | 1996 | Tim Burton |
| 918 | The Martian | 2015 | Ridley Scott |
| 2371 | Martin | 1977 | George A. Romero |
| 1161 | Marty | 1955 | Delbert Mann |
| 1548 | Martyrs | 2008 | Pascal Laugier |
| 1019 | Mary and Max | 2009 | Adam Elliot |
| 204 | Mary Poppins | 1964 | Robert Stevenson |
| 1948 | Masculine Feminine | 1966 | Jean-Luc Godard |
| 2949 | Mask | 1985 | Peter Bogdanovich |
| 2710 | The Mask of Zorro | 1998 | Martin Campbell |
| 1744 | The Mask | 1994 | Chuck Russell |
| 1816 | The Masque of the Red Death | 1964 | Roger Corman |
| 1129 | Master and Commander: The Far Side of the World | 2003 | Peter Weir |
| 1578 | The Master | 2012 | Paul Thomas Anderson |
| 1849 | Match Point | 2005 | Woody Allen |
| 1757 | Matewan | 1987 | John Sayles |
| 1495 | Matilda | 1996 | Danny DeVito |
| 26 | The Matrix | 1999 | Lana and Lilly Wachowski |
| 1705 | The Matrix Reloaded | 2003 | Lana and Lilly Wachowski |
| 3044 | The Matrix Revolutions | 2003 | Lana and Lilly Wachowski |
| 316 | A Matter of Life and Death | 1946 | Michael Powell and Emeric Pressburger |
| 2377 | Maurice | 1987 | James Ivory |
| 337 | McCabe & Mrs. Miller | 1971 | Robert Altman |
| 2793 | Me and You and Everyone We Know | 2005 | Miranda July |
| 499 | Mean Girls | 2004 | Mark Waters |
| 283 | Mean Streets | 1973 | Martin Scorsese |
| 1536 | Meek's Cutoff | 2010 | Kelly Reichardt |
| 284 | Meet Me in St. Louis | 1944 | Vincente Minnelli |
| 1513 | Meet the Parents | 2000 | Jay Roach |
| 1616 | Melancholia | 2011 | Lars von Trier |
| 145 | Memento | 2000 | Christopher Nolan |
| 657 | Memories of Murder | 2003 | Bong Joon Ho |
| 1463 | Memories of Underdevelopment | 1968 | Tomás Gutiérrez Alea |
| 637 | Men in Black | 1997 | Barry Sonnenfeld |
| 1974 | Menace II Society | 1993 | Albert and Allen Hughes |
| 3037 | Ménilmontant | 1926 | Dimitri Kirsanoff |
| 2886 | Mephisto | 1981 | István Szabó |
| 2588 | Merry Christmas, Mr. Lawrence | 1983 | Nagisa Ôshima |
| 2114 | The Merry Widow | 1934 | Ernst Lubitsch |
| 823 | Meshes of the Afternoon | 1943 | Maya Deren and Alexander Hammid |
| 2448 | Metallica: Some Kind of Monster | 2004 | Joe Berlinger and Bruce Sinofsky |
| 43 | Metropolis | 1927 | Fritz Lang |
| 2721 | Metropolis | 2001 | Rintarô |
| 1709 | Metropolitan | 1989 | Whit Stillman |
| 2539 | Michael Clayton | 2007 | Tony Gilroy |
| 2802 | Midnight | 1939 | Mitchell Leisen |
| 280 | Midnight Cowboy | 1969 | John Schlesinger |
| 2171 | Midnight Express | 1978 | Alan Parker |
| 1452 | Midnight in Paris | 2011 | Woody Allen |
| 908 | Midnight Run | 1988 | Martin Brest |
| 943 | Midsommar | 2019 | Ari Aster |
| 1710 | The Mighty Ducks | 1992 | Stephen Herek |
| 2206 | Mikey and Nicky | 1976 | Elaine May |
| 454 | Mildred Pierce | 1945 | Michael Curtiz |
| 811 | Milk | 2008 | Gus Van Sant |
| 1716 | Millennium Actress | 2001 | Satoshi Kon |
| 553 | Miller's Crossing | 1990 | Joel Coen |
| 2424 | Le Million | 1931 | René Clair |
| 341 | Million Dollar Baby | 2004 | Clint Eastwood |
| 2989 | Minari | 2020 | Lee Isaac Chung |
| 2987 | Mind Game | 2004 | Masaaki Yuasa |
| 2615 | Minding the Gap | 2018 | Bing Liu |
| 413 | Minority Report | 2002 | Steven Spielberg |
| 1193 | Miracle | 2004 | Gavin O'Connor |
| 2790 | Miracle in Milan | 1951 | Vittorio De Sica |
| 1843 | The Miracle of Morgan's Creek | 1943 | Preston Sturges |
| 807 | Miracle on 34th Street | 1947 | George Seaton |
| 1597 | The Miracle Worker | 1962 | Arthur Penn |
| 597 | The Mirror | 1975 | Andrei Tarkovsky |
| 1695 | Les Misérables | 2012 | Tom Hooper |
| 585 | Misery | 1990 | Rob Reiner |
| 1311 | The Misfits | 1961 | John Huston |
| 1248 | Mishima: A Life in Four Chapters | 1985 | Paul Schrader |
| 2477 | Missing | 1982 | Costa-Gavras |
| 2060 | The Mission | 1986 | Roland Joffé |
| 1055 | Mission: Impossible | 1996 | Brian De Palma |
| 882 | Mission: Impossible - Fallout | 2018 | Christopher McQuarrie |
| 1615 | Mission: Impossible - Ghost Protocol | 2011 | Brad Bird |
| 1755 | Mission: Impossible - Rogue Nation | 2015 | Christopher McQuarrie |
| 2521 | Mission: Impossible III | 2006 | J.J. Abrams |
| 1676 | Mississippi Burning | 1988 | Alan Parker |
| 1480 | The Mist | 2007 | Frank Darabont |
| 1551 | Mister Roberts | 1955 | John Ford and Mervyn LeRoy |
| 1794 | The Mitchells vs. the Machines | 2021 | Michael Rianda |
| 702 | Moana | 2016 | Ron Clements and John Musker |
| 2474 | Moby Dick | 1956 | John Huston |
| 61 | Modern Times | 1936 | Charles Chaplin |
| 2533 | A Moment of Innocence | 1996 | Mohsen Makhmalbaf |
| 2608 | Mommie Dearest | 1981 | Frank Perry |
| 2394 | Mommy | 2014 | Xavier Dolan |
| 822 | Mon Oncle | 1958 | Jacques Tati |
| 2675 | Mon oncle d'Amérique | 1980 | Alain Resnais |
| 1319 | Moneyball | 2011 | Bennett Miller |
| 3048 | Monika | 1953 | Ingmar Bergman |
| 2231 | Monkey Business | 1931 | Norman Z. McLeod |
| 1658 | Monsieur Verdoux | 1947 | Charles Chaplin |
| 1588 | Monsoon Wedding | 2001 | Mira Nair |
| 1379 | Monster | 2003 | Patty Jenkins |
| 327 | Monsters, Inc. | 2001 | Pete Docter |
| 2225 | Monterey Pop | 1968 | D.A. Pennebaker |
| 105 | Monty Python and the Holy Grail | 1975 | Terry Gilliam and Terry Jones |
| 2375 | Monty Python's The Meaning of Life | 1983 | Terry Jones |
| 2214 | Moolaadé | 2003 | Ousmane Sembene |
| 495 | Moon | 2009 | Duncan Jones |
| 176 | Moonlight | 2016 | Barry Jenkins |
| 757 | Moonrise Kingdom | 2012 | Wes Anderson |
| 498 | Moonstruck | 1987 | Norman Jewison |
| 1852 | Morocco | 1930 | Josef von Sternberg |
| 2604 | Morvern Callar | 2002 | Lynne Ramsay |
| 1469 | Mother | 2009 | Bong Joon Ho |
| 2629 | Mother! | 2017 | Darren Aronofsky |
| 2584 | Mother and Son | 1997 | Aleksandr Sokurov |
| 922 | The Mother and the Whore | 1973 | Jean Eustache |
| 2700 | Mother India | 1957 | Mehboob Khan |
| 2646 | The Motorcycle Diaries | 2004 | Walter Salles |
| 1393 | Mouchette | 1967 | Robert Bresson |
| 350 | Moulin Rouge! | 2001 | Baz Luhrmann |
| 2296 | Mr. & Mrs. Smith | 2005 | Doug Liman |
| 1673 | Mr. Deeds Goes to Town | 1936 | Frank Capra |
| 525 | Mr. Hulot's Holiday | 1953 | Jacques Tati |
| 362 | Mr. Smith Goes to Washington | 1939 | Frank Capra |
| 3031 | Mr. Turner | 2014 | Mike Leigh |
| 1138 | Mrs. Doubtfire | 1993 | Chris Columbus |
| 1546 | Mrs. Miniver | 1942 | William Wyler |
| 2838 | Ms. 45 | 1981 | Abel Ferrara |
| 2934 | Mud | 2012 | Jeff Nichols |
| 2891 | Mudbound | 2017 | Dee Rees |
| 917 | Mulan | 1998 | Tony Bancroft and Barry Cook |
| 89 | Mulholland Dr. | 2001 | David Lynch |
| 1512 | The Mummy | 1932 | Karl Freund |
| 1529 | The Mummy | 1999 | Stephen Sommers |
| 1883 | Munich | 2005 | Steven Spielberg |
| 1933 | The Muppet Christmas Carol | 1992 | Brian Henson |
| 633 | The Muppet Movie | 1979 | James Frawley |
| 1991 | The Muppets | 2011 | James Bobin |
| 2768 | Murder by Contract | 1958 | Irving Lerner |
| 3003 | Murder on the Orient Express | 1974 | Sidney Lumet |
| 1855 | Murder, My Sweet | 1944 | Edward Dmytryk |
| 973 | Murderball | 2005 | Henry Alex Rubin and Dana Adam Shapiro |
| 1910 | Muriel's Wedding | 1994 | P.J. Hogan |
| 2315 | The Music Box | 1932 | James Parrott |
| 1440 | The Music Man | 1962 | Morton DaCosta |
| 1417 | The Music Room | 1958 | Satyajit Ray |
| 2764 | Mustang | 2015 | Deniz Gamze Ergüven |
| 1211 | Mutiny on the Bounty | 1935 | Frank Lloyd |
| 997 | My Beautiful Laundrette | 1985 | Stephen Frears |
| 1345 | My Best Friend's Wedding | 1997 | P.J. Hogan |
| 1304 | My Big Fat Greek Wedding | 2002 | Joel Zwick |
| 2481 | My Brilliant Career | 1979 | Gillian Armstrong |
| 1638 | My Cousin Vinny | 1992 | Jonathan Lynn |
| 450 | My Darling Clementine | 1946 | John Ford |
| 2192 | My Dinner with Andre | 1981 | Louis Malle |
| 348 | My Fair Lady | 1964 | George Cukor |
| 2767 | My Favorite Year | 1982 | Richard Benjamin |
| 1811 | My Girl | 1991 | Howard Zieff |
| 890 | My Left Foot | 1989 | Jim Sheridan |
| 1651 | My Life as a Dog | 1985 | Lasse Hallström |
| 2030 | My Life as a Zucchini | 2016 | Claude Barras |
| 724 | My Life to Live | 1962 | Jean-Luc Godard |
| 1216 | My Man Godfrey | 1936 | Gregory La Cava |
| 144 | My Neighbor Totoro | 1988 | Hayao Miyazaki |
| 1034 | My Night at Maud's | 1969 | Éric Rohmer |
| 728 | My Own Private Idaho | 1991 | Gus Van Sant |
| 2904 | My Summer of Love | 2004 | Pawel Pawlikowski |
| 2528 | My Winnipeg | 2007 | Guy Maddin |
| 1401 | Mysterious Skin | 2004 | Gregg Araki |
| 2144 | Mystery Men | 1999 | Kinka Usher |
| 1763 | The Mystery of Kaspar Hausar | 1974 | Werner Herzog |
| 2257 | Mystery Train | 1989 | Jim Jarmusch |
| 2855 | Mystic Pizza | 1988 | Donald Petrie |
| 707 | Mystic River | 2003 | Clint Eastwood |
