I’m including every film that has won Cannes even the times the award was not called the Palme d’Or.

Union Pacific
Iris and the Lieutenant
The Lost Weekend
The Red Meadows
Brief Encounter
Portrait of Maria
Neecha Nagar
The Turning Point
La symphonie pastorale
The Last Chance
Men Without Wings
Rome, Open City
The Third Man
Miss Julie
Miracle in Milan
Othello
Two Cents Worth of Hope
The Wages of Fear
Gate of Hell
Marty
The Silent World
Friendly Persuasion
The Cranes Are Flying
Black Orpheus
La Dolce Vita
The Long Absence
Viridiana
O Pagador de Promessas
The Leopard
The Umbrellas of Cherbourg
The Knack… and How to Get It
A Man and a Woman
The Birds, the Bees, and the Italians
Blowup
If…
MASH
The Go-Between
The Working Class Goes to Heaven
The Mattei Affair
The Hireling
Scarecrow
The Conversation
Chronicle of the Years of Fire
Taxi Driver
Padre Padrone
The Tree of Wooden Clogs
Apocalypse Now
The Tin Drum
All That Jazz
Kagemusha
Man of Iron
Missing
The Way
The Ballad of Narayama
Paris, Texas
When Father Was Away on Business
The Mission
Under the Sun of Satan
Pelle the Conqueror
sex, lies, and videotape
Wild at Heart
Barton Fink
The Best Intentions
Farewell My Concubine
The Piano
Pulp Fiction
Underground
Secrets and Lies
Taste of Cherry
The Eel
Eternity and a Day
Rosetta
Dancer in the Dark
The Son’s Room
The Pianist
Elephant
Fahrenheit 9/11
L’enfant
The Wind That Shakes the Barley
4 Months, 3 Weeks, and 2 Days
The Class
The White Ribbon
Uncle Boonmee Who Can Recall His Past Lives
The Tree of Life
Amour
Blue is the Warmest Color
Winter Sleep
Dheepan
I, Daniel Blake
The Square
Shoplifters
Parasite

39/91

I obviously have a lot to see…

PALME D'OR WINNERS, ranked