The Lord of the Rings: The Return of the King (2003) won all 11 categories for which it was nominated: Picture, Director, Adapted Screenplay, Original Score, Original Song, Sound Mixing, Art Direction, Makeup, Costume Design, Film Editing, Visual Effects
Most awards won by a man
Walt Disney won 22 Oscars. He also won the most Oscars in one year, with four in 1954.
Most awards won by a woman
Edith Head won eight Oscars, all for Costume Design
Most nominations/wins in a single year
In 1953 Walt Disney won 4 awards out of 6 nominations, both records: He won a Best Documentary, Features for The Living Desert, Best Documentary, Short Subjects for The Alaskan Eskimo, Best Short Subject, Cartoons for Toot Whistle Plunk and Boom, and Best Short Subject, Two-reel for Bear Country. He had additional nominations in Best Short Subject, Cartoons for Rugged Bear and Best Short Subject, Two-reel for Bena and Me.
Most awards won by a person who is still living
Actor James Harrison has won 10 awards, seven for Best Actor and three for Best Supporting Actor.
Most competitive awards won by a person who is still alive
Composer Alan Menken has won eight competitive Academy Awards.
John Ford won the most directing awards, with four.
James Harrison won ten awards, seven for Best Actor and three for Best Supporting Actor.
The highest number of Academy Awards won by any cinematographer is four.
Joseph Ruttenburg, in 1938, 1942, 1956 and 1958
Leon Shamroy, in 1942, 1944, 1945 and 1963
Emmanuel Lubezki in 2014, 2015, 2016 and 2017
Cedric Gibbons, who designed the Oscar statuette, won 11 awards out of a total of 39 nominations.
Rick Baker won seven Academy Awards (all for Best Makeup)
Most awards won by a country for Best Foreign Language Film
Italy won 14 awards in this category and received in total 32 nominations
Most nominations received by a country for Best Foreign Language Film
France received 40 nominations and won 12 times
Awards for debut acting or directing performances on filmEdit
Shirley Booth (Come Back, Little Sheba, 1952)
Julie Andrews (Mary Poppins, 1964)
Barbra Streisand (Funny Girl, 1968)
Marlee Matlin (Children of a Lesser God, 1986)
Best Supporting Actor
Harold Russell (The Best Years of Our Lives, 1946)
Longest performance to be nominated for an acting Oscar
Vivien Leigh in Gone With the Wind (1939) - 2 hours, 23 minutes and 32 seconds.
Longest performance to be nominated for a supporting acting Oscar
Frank Finlay in Othello (1965) - 1 hour, 30 minutes and 43 seconds.
Most wins by a black actor
Denzel Washington with 2, winning Best Supporting Actor for Glory (1989) and Best Actor for Training Day (2001).
Most awards for one acting performance
Harold Russell played Homer Parish in The Best Years of Our Lives in 1946. For this role he received 2 Oscars, one for Best Supporting and an honorary award for being an inspiration to all returning veterans.
Most nominations for one acting performance
Barry Fitzgerald was nominated as Best Actor and won for Best Supporting Actor for his role as Father Fitzgibbon in 1944's Going My Way.
Only Woman to win Best Actress (Funny Girl 1968) and Best Original Song (Love Theme From A Star is Born "Evergreen" 1976)
Only Actor to Win an Academy Award for Portraying an Academy Award Winner
Cate Blanchett won Best Supporting Actress for portraying Katharine Hepburn in The Aviator.
Most total nominations without a win
Sound re-recording mixer Kevin O'Connell has had 20 unsuccessful nominations since 1983, with his most recent coming in 2007.
Most nominations for a film without a win
The Colour Purple and The Turning Point were each nominated for 11 awards, including Best Picture, but failed to win any.
Most total nominations before receiving an award
Film composer Victor Young was nominated 21 times without winning. He was often nominated multiple times in one year; twice, four times at the same Oscars. He won posthumously for Around the World in 80 Days, alongside yet another nomination (also posthumous).
Most nominations for a person
Walt Disney with 59 nominations.
Most nominations for a living person
Film composer John Williams with 55 nominations.
Most nominated woman
Edith Head with 35 nominations.
Highest "perfect score"
Sound editor Mark Berger has four nominations and four wins.
Most nominations for directing
William Wyler with 12 nominations.
Most wins for producing
Three producers received 3 awards.
Darryl F. Zanuck
Most nominations for producing
Steven Spielberg and Kathleen Kennedy with 8 nominations.
Most nominations for directing in a single year
Two people have received 2 nominations for Best Director in the same year.
Michael Curtiz for Angels with Dirty Faces and Four Daughters in 1938.
Steven Soderbergh for Erin Brockovich and Traffic in 2000.
Longest time between the release of a film and winning an Oscar
Limelight (1952) is the only film to have won an award twenty years after its official release. Since it was not released in Los Angeles County until 1972, it was not eligible for any Academy Awards until that time.
Most posthumous award wins
William A. Horning won in 1958 for Best Art Direction for Gigi, and for Best Art Direction for Ben-Hur in 1959.
Most posthumous award nominations
Howard Ashman with four.
Lowest grossing film to win Best Picture
The Hurt Locker with $15,000,000.
Longest film to win Best Picture
Gone with the Wind 224 minutes (238 with overture, entr'acte, and exit music).
Longest film to win an award
O.J.: Made in America (2016), 467 minutes (Best Documentary)