Academy Award for Best Supporting Actor

The Academy Award for Best Supporting Actor is one of the awards given to people working in the motion picture industry by the Academy of Motion Picture Arts and Sciences; nominations are made by Academy members who are actors and actresses. The winners are chosen by the Academy membership as a whole. Following the Academy's practice, the films below are listed by release year: for example, the Oscar for "Best Supporting Actor in 1999" was announced during the award ceremony held in 2000. Winners are listed first, followed by the other nominees. For a list sorted by actor, please see List of Best Supporting Actor nominees. For a list sorted by movie title, please see List of Best Supporting Actor nominees (films).

1940s

• 1940 Walter Brennan - The Westerner
• Albert Basserman - Foreign Correspondent
• William Gargan - They Knew What They Wanted
• Jack Oakie - The Great Dictator
• James Stephenson - The Letter
• 1941 Donald Crisp - How Green Was My Valley
• Walter Brennan - Sergeant York
• Charles Coburn - The Devil and Miss Jones
• James Gleason - Here Comes Mr. Jordan
• Sydney Greenstreet - The Maltese Falcon
• 1942 Van Heflin - Johnny Eager
• William Bendix - Wake Island
• Walter Huston - Yankee Doodle Dandy
• Frank Morgan - Tortilla Flat
• Henry Travers - Mrs. Miniver

From 1943 winners received statuettes like everybody else.

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• 1943 Charles Coburn - The More the Merrier
• Charles Bickford - The Song of Bernadette
• J. Naish - Sahara
• Claude Rains - Casablanca
• Akim Tamiroff - For Whom the Bell Tolls
• 1944 Barry Fitzgerald - Going My Way
• Hume Cronyn - The Seventh Cross
• Claude Rains - Mr. Skeffington
• Clifton Webb - Laura
• Monty Woolley - Since You Went Away
• 1945 James Dunn - A Tree Grows In Brooklyn
• Michael Chekhov - Spellbound
• John Dall - The Corn Is Green
• Robert Mitchum - The Story of G.I. Joe
• J. Naish - A Medal for Benny
• 1946 Harold Russell - The Best Years Of Our Lives
• Charles Coburn - The Green Years
• William Demarest - The Jolson Story
• Claude Rains - Notorious
• Clifton Webb - The Razor's Edge
• 1947 Edmund Gwenn - Miracle on 34th Street
• Charles Bickford - The Farmer's Daughter
• Thomas Gomez - Ride the Pink Horse
• Robert Ryan - Crossfire
• Richard Widmark - Kiss of Death
• 1948 Walter Huston - The Treasure of the Sierra Madre
• Charles Bickford - Johnny Belinda
• José Ferrer - Joan of Arc
• Oscar Homolka - I Remember Mama
• Cecil Kellaway - The Luck of the Irish
• 1949 Dean Jagger - Twelve O'Clock High
• John Ireland - All the King's Men
• Arthur Kennedy - Champion
• Ralph Richardson - The Heiress
• James Whitmore - Battleground