A lot of film buffs subscribe to the "auteur" theory of filmmaking, in which the director is the primary shaper of the final work. With that in mind, here is my ranking of
The Best Work of
the Great Directors
AKIRA KUROSAWA
The Seven Samurai
Yojimbo (Bodyguard)
Rashomon
Stray Dog
High And Low
The Hidden Fortress
Red Beard
Ran (Chaos)
Ikiru (To Live)
Throne Of Blood
BILLY WILDER
Sunset Boulevard
Some Like It Hot
The Apartment
Ace In The Hole
The Seven Year Itch
The Private Life Of Sherlock Holmes
One, Two, Three
Double Indemnity
Stalag 17
STANLEY KUBRICK
Dr. Strangelove
Paths of Glory
Barry Lyndon
A Clockwork Orange
2001: A Space Oddesey
The Killing
Full Metal Jacket
Lolita
ALFRED HITCHCOCK
Rear Window
The Birds
Vertigo
Psycho
North By Northwest
Shadow Of A Doubt
Suspicion

FRITZ LANG
M
The Niebelungen Saga
Metropolis
Dr. Mabuse The Gambler
The Big Heat
While The City Sleeps
Rancho Notorious
The Testament Of Dr. Mabuse

HOWARD HAWKS
His Girl Friday
To Have And Have Not
Bringing up Baby
Ball Of Fire
Red River
Air Force
The Big Sleep
MARTIN SCORSESE
Mean Streets
Taxi Driver
Raging Bull
After Hours
Alice Doesn't Live Here Anymore

SAM PECKINPAH
Bring Me The Head Of Alfredo Garcia
The Wild Bunch
The Getaway
Cross Of Iron
Pat Garret And Billy The Kid
The Killer Elite

ORSON WELLES
Citizen Kane
Touch Of Evil
Lady From Shanghai
Chimes At Midnight
Othello
The Trial
The Magnificent Ambersons
It's All True
The Stranger

JOHN FORD
How Green Was My Valley
Stagecoach
The Grapes Of Wrath
The Searchers
The Long Voyage Home
She Wore A Yellow Ribbon
The Quiet Man

MICHAEL CURTIZ
Angels With Dirty Faces
Casablanca
The Sea Hawk
Yankee Doodle Dandy
The Adventures of Robin Hood
Captain Blood
Mildred Pierce
Charge Of The Light Brigade

RAOUL WALSH
White Heat
The Roaring Twenties
The Big Trail
Captain Horatio Hornblower
High Sierra
The Naked And The Dead
The Thief Of Bagdad
FRANCIS COPPOLA
The Godfather Part Two
The Conversation
The Godfather
Apocalypse Now
Cotton Club
The Top Ten Movie Genres
Great Films
Good Movies

JOHN HUSTON
The Man Who Would Be King
The Treasure of Sierra Madre
The Maltese Falcon
Moulin Rouge
Moby Dick
Fat City

SAM FULLER
The Big Red One
Pickup on South Street
Park Row
House of Bamboo
China Gate
The Naked Kiss
Shock Corridor

WILLIAM WELLMAN
The Public Enemy
Wings
Beau Geste
Wild Boys of the Road
Battleground
Nothing Sacred
A Star Is Born
The Ox-Bow Incident
Westward the Women

NICHOLAS RAY
They Live By Night
On Dangerous Ground
Rebel Without A Cause
55 Days At Peking
In A Lonely Place
Stanley Kubrick is my favorite director.
I have put together a tribute page to my favorite Kubrick film:
Barry Lyndon.