I only listed ones I remember seeing.
I was sort of surprised that
A Clockwork Orange wasn't on the list. Maybe it is too well known, but I always thought that movie had a huge cult following.
Since ACO isn't listed, I will go with
Freaks.
i know-- ACO is listed on other sights-- it's hard to define "cult" film because there are so many interpretations/genres to consider. here is a great sight that lists some of the more "popular" cult flix, including ACO:
cult filmson the last page, they list this quite comprehensive list o' films. i wish i had seen this piror to my inital entertainment weekly post:
Early Greatest Cult Films:
Nosferatu (1922, Germany)
Sherlock, Jr. (1924)
Un Chien Andalou (1929, France) (#22)
Pandora's Box (1929, Germany)
M (1931, Germany)
Freaks (1932) (#3)
The Most Dangerous Game (1932)
Sons of the Desert (1933)
Tarzan and His Mate (1934)
Reefer Madness (1936)
The Wizard of Oz (1939)
Fantasia (1940)
Farewell My Lovely (aka Murder, My Sweet (1944))
Detour (1945)
It's a Wonderful Life (1946)
Lady in the Lake (1946)
Out of the Past (1947)
Force of Evil (1948)
Rope (1948)
Gun Crazy (1949)
The Set-Up (1949)
The Narrow Margin (1952)
Glen or Glenda? (1953)
Johnny Guitar (1954)
Kiss Me Deadly (1955)
The Night of the Hunter (1955)
Rebel Without a Cause (1955)
This Island Earth (1955)
Forbidden Planet (1956)
Invasion of the Body Snatchers (1956)
An Affair to Remember (1957)
The Incredible Shrinking Man (1957)
The Blob (1958)
Man of the West (1958)
Touch of Evil (1958)
The Best of Everything (1959) (#39)
A Bucket of Blood (1959) (#37)
The Immoral Mr. Teas (1959)
Plan 9 From Outer Space (1959) (#12)
Shadows (1959)
Modern Greatest Cult Films:
Little Shop of Horrors (1960) - remade in 1986
Peeping Tom (1960)
Carnival of Souls (1962)
Dr. No (1962)
The Manchurian Candidate (1962)
What Ever Happened to Baby Jane? (1962)
The Servant (1963)
Shock Corridor (1963)
Strait-Jacket (1964)
The Sound of Music (1965) - the Singalong version
Dr. Strangelove Or: How I Stopped Worrying and Learned to Love the Bomb (1964)
Blow-Up (1966)
Faster Pussycat! Kill! Kill! (1966) (#15)
King of Hearts (1966)
Manos, the Hands of Fate (1966)
Point Blank (1967)
The Producers (1967)
Valley of the Dolls (1967)
Barbarella (1968) (#40)
If... (1968)
Night of the Living Dead (1968)
Once Upon a Time in the West (1968)
Yellow Submarine (1968)
Easy Rider (1969)
Brewster McCloud (1970)
The Devils (1970)
Performance (1970)
A Clockwork Orange (1971)
Duel (1971)
El Topo (1971, Mex.) (aka The Mole)
Fritz the Cat (1971)
Get Carter (1971)
Harold and Maude (1971) (#4)
Heat (1971)
Sweet Sweetback's Baad Asssss Song (1971)
Two-Lane Blacktop (1971)
The Vanishing Point (1971)
Willy Wonka and the Chocolate Factory (1971) (#25)
And Now For Something Completely Different (1972)
Aguirre, The Wrath of God (1972) (#46)
Deliverance (1972)
Fat City (1972)
Pink Flamingos (1972) (#5)
American Graffiti (1973)
Don't Look Now (1973)
Electra Glide in Blue (1973)
Enter the Dragon (1973)
The Exorcist (1973)
The Harder They Come (1973) (#30)
The Mack (1973) (#20)
The Wicker Man (1973)
Bring Me the Head of Alfredo Garcia (1974)
Caged Heat (1974)
California Split (1974)
Dark Star (1974)
Monty Python and the Holy Grail (1974)
Phantom of the Paradise (1974)
The Texas Chain Saw Massacre (1974) (#6)
Jaws (1975)
The Rocky Horror Picture Show (1975) (#2)
Tommy (1975)
Assault on Precinct 13 (1976)
Grey Gardens (1976) (#33)
The Man Who Fell to Earth (1976)
Eraserhead (1977) (#14)
Kentucky Fried Movie (1977)
Saturday Night Fever (1977)
Slap Shot (1977) (#31)
Star Wars (1977)
Animal House (1978)
Attack of the Killer Tomatoes! (1978)
Big Wednesday (1978)
Dawn of the Dead (1978) (#27)
Faces of Death, Vol. I (1978) (#50)
Five Deadly Venoms (1978) (#11)
Inferno (1978, It.)
Martin (1978)
Up in Smoke (1978)
The Wiz (1978) (#28)
Apocalypse Now (1979)
The Brood (1979)
Mad Max (1979)
Monty Python's Life of Brian (1979)
The Ninth Configuration (1979)
Quadrophenia (1979)
Rock 'N' Roll High School (1979)
The Warriors (1979) (#16)
Airplane! (1980)
The Blues Brothers (1980)
The Changeling (1980)
Flash Gordon (1980)
Forbidden Zone (1980)
Heaven's Gate (1980)
Motel Hell (1980)
Roadie (1980)
The Shining (1980)
Stardust Memories (1980)
Used Cars (1980)
Blow Out (1981)
Mommie Dearest (1981)
Ms. 45 (1981) (aka Angel of Vengeance)
Polyester (1981)
Shock Treatment (1981)
Android (1982)
Blade Runner (1982) (#9)
Diva (1982)
Pink Floyd: The Wall (1982)
Q: The Winged Serpent (1982)
The Road Warrior: Mad Max 2 (1982)
The Sender (1982)
Blue Thunder (1983)
The Dead Zone (1983)
Eddie and the Cruisers (1983)
The Evil Dead (1983) (Trilogy: Evil Dead 2: Dead by Dawn (1987), Army of Darkness (1992))
The King of Comedy (1983)
Local Hero (1983)
The Loveless (1983)
The Man With Two Brains (1983)
Monty Python's The Meaning of Life (1983)
Scarface (1983) (#8)
The Adventures of Buckaroo Banzai Across the 8th Dimension (1984) (#43)
The Company of Wolves (1984)
Electric Dreams (1984)
Ghostbusters (1984)
Love Streams (1984) (#44)
Repo Man (1984) (#7)
Sixteen Candles (1984)
Stranger Than Paradise (1984) (#26)
Streets of Fire (1984)
The Terminator (1984)
This is Spinal Tap (1984) (#1)
Better Off Dead (1985)
Blood Simple (1985)
Brazil (1985) (#13)
The Breakfast Club (1985)
The Goonies (1985)
Pee Wee's Big Adventure (1985) (#21)
Real Genius (1985)
Re-Animator (1985) (#32)
The Return of the Living Dead (1985)
Static (1985)
The Toxic Avenger (1985) (#24)
Big Trouble in Little China (1986)
Blue Velvet (1986)
The Clan of the Cave Bear (1986)
Labyrinth (1986)
Manhunter (1986)
Sid and Nancy (1986)
True Stories (1986)
Amazon Women on the Moon (1987)
Bad Taste (1987)
Evil Dead 2: Dead by Dawn (1987) (#19)
House of Games (1987)
Raising Arizona (1987)
Superstar: The Karen Carpenter Story (1987) (#45)
Three O'Clock High (1987)
Withnail and I (1987) (#35)
Akira (1988) (#23)
Bagdad Cafe (1988)
Dead Heat (1988)
Hairspray (1988)
They Live (1988) (#38)
The Decline of Western Civilization II: The Metal Years (1988) (#48)
Bill & Ted's Excellent Adventure (1989)
Heathers (1989) (#41)
Meet the Applegates (1989)
Meet the Feebles (1989)
UHF (1989)
Closet Land (1990)
Joe Versus the Volcano (1990)
Miller's Crossing (1990)
Tremors (1990)
Wild at Heart (1990)
The Adjuster (1991)
Barton Fink (1991)
Army of Darkness (1992)
Dead Alive (aka Braindead) (1992)
Delicatessen (1992)
Hard-Boiled (1992) (#18)
Reservoir Dogs (1992)
Army of Darkness (1993) (aka Evil Dead 3)
Dazed and Confused (1993) (#17)
Groundhog Day (1993)
True Romance (1993)
The Adventures of Priscilla, Queen of the Desert (1994)
Clerks (1994) (#29)
The Hudsucker Proxy (1994)
Pulp Fiction (1994)
Reality Bites (1994)
The Shawshank Redemption (1994) (#10)
Friday (1995) (#49)
The Kingdom (1995)
Se7en (1995)
Showgirls (1995) (#36)
Welcome to the Dollhouse (1995)
The Usual Suspects (1995)
Bottle Rocket (1996)
Fargo (1996)
Mystery Science Theater 3000: The Movie (1996)
Swingers (1996)
Walking and Talking (1996) (#47)
Henry Fool (1997)
The Big Lebowski (1998) (#34)
Rushmore (1998) (#42)
Fight Club (1999)
Office Space (1999)
American Psycho (2000)
Requiem for a Dream (2000)
Donnie Darko (2001)
Hedwig and the Angry Inch (2001)
Wet Hot American Summer (2001)
Napoleon Dynamite (2004)