Giải Oscar cho nam diễn viên chính xuất sắc nhất
Danh sách cụ thể > Thập niên 1950

| Năm | Diễn viên | Phim | Vai diễn | Chú thích |
| --- | --- | --- | --- | --- |
| 1950  (23)  | José Ferrer ‡ | Cyrano de Bergerac | Cyrano de Bergerac |  |
| 1950  (23)  | Louis Calhern | The Magnificent Yankee | Oliver Wendell Holmes |  |
| 1950  (23)  | William Holden | Sunset Boulevard | Joe Gillis |  |
| 1950  (23)  | James Stewart | Harvey | Elwood P. Dowd |  |
| 1950  (23)  | Spencer Tracy | Father of the Bride | Stanley T. Banks |  |
| 1951  (24)  | Humphrey Bogart ‡ | The African Queen | Charlie Allnut |  |
| 1951  (24)  | Marlon Brando | A Streetcar Named Desire | Stanley Kowalski |  |
| 1951  (24)  | Montgomery Clift | A Place in the Sun | George Eastman |  |
| 1951  (24)  | Arthur Kennedy | Bright Victory | Larry Nevins |  |
| 1951  (24)  | Fredric March | Death of a Salesman | Willy Loman |  |
| 1952  (25)  | Gary Cooper ‡ | High Noon | Marshal Will Kane |  |
| 1952  (25)  | Marlon Brando | Viva Zapata! | Emiliano Zapata |  |
| 1952  (25)  | Kirk Douglas | The Bad and the Beautiful | Jonathan Shields |  |
| 1952  (25)  | José Ferrer | Moulin Rouge | Henri de Toulouse-Lautrec Comte Alphonse de Toulouse-Lautrec |  |
| 1952  (25)  | Alec Guinness | The Lavender Hill Mob | Holland |  |
| 1953  (26)  | William Holden ‡ | Stalag 17 | Trung sĩ J.J. Sefton |  |
| 1953  (26)  | Marlon Brando | Julius Caesar | Mark Antony |  |
| 1953  (26)  | Richard Burton | The Robe | Marcellus Gallio |  |
| 1953  (26)  | Montgomery Clift | From Here to Eternity | Pvt. Robert E. Lee 'Prew' Prewitt |  |
| 1953  (26)  | Burt Lancaster | From Here to Eternity | Trung sĩ thứ nhất Milton Warden |  |
| 1954  (27)  | Marlon Brando ‡ | On the Waterfront | Terry Malloy |  |
| 1954  (27)  | Humphrey Bogart | The Caine Mutiny | Lt. Cmdr. Philip Francis Queeg |  |
| 1954  (27)  | Bing Crosby | The Country Girl | Frank Elgin |  |
| 1954  (27)  | James Mason | A Star Is Born | Norman Maine |  |
| 1954  (27)  | Dan O'Herlihy | Adventures of Robinson Crusoe | Robinson Crusoe |  |
| 1955  (28)  | Ernest Borgnine ‡ | Marty | Marty Piletti |  |
| 1955  (28)  | James Cagney | Love Me or Leave Me | Martin Snyder |  |
| 1955  (28)  | James Dean * | East of Eden | Cal Trask |  |
| 1955  (28)  | Frank Sinatra | The Man with the Golden Arm | Frankie Machine |  |
| 1955  (28)  | Spencer Tracy | Bad Day at Black Rock | John J. Macreedy |  |
| 1956  (29)  | Yul Brynner ‡ | The King and I | Vua Rama IV của Xiêm |  |
| 1956  (29)  | James Dean * | Giant | Jett Rink |  |
| 1956  (29)  | Kirk Douglas | Lust for Life | Vincent van Gogh |  |
| 1956  (29)  | Rock Hudson | Giant | Jordan "Bick" Benedict Jr. |  |
| 1956  (29)  | Laurence Olivier | Richard III | Vua Richard III của Anh |  |
| 1957  (30)  | Alec Guinness ‡ | The Bridge on the River Kwai | Trung tá L. Nicholson, D.S.O. |  |
| 1957  (30)  | Marlon Brando | Sayonara | Tướng Lloyd "Ace" Gruver, USAF |  |
| 1957  (30)  | Anthony Franciosa | A Hatful of Rain | Polo Pope |  |
| 1957  (30)  | Charles Laughton | Witness for the Prosecution | Sir Wilfrid Robarts |  |
| 1957  (30)  | Anthony Quinn | Wild Is the Wind | Gino |  |
| 1958  (31)  | David Niven ‡ | Separate Tables | Tướng Angus Pollock |  |
| 1958  (31)  | Tony Curtis | The Defiant Ones | John 'Joker' Jackson |  |
| 1958  (31)  | Paul Newman | Cat on a Hot Tin Roof | Brick Pollitt |  |
| 1958  (31)  | Sidney Poitier | The Defiant Ones | Noah Cullen |  |
| 1958  (31)  | Spencer Tracy | The Old Man and the Sea | The Old Man |  |
| 1959  (32)  | Charlton Heston ‡ | Ben-Hur | Judah Ben-Hur |  |
| 1959  (32)  | Laurence Harvey | Room at the Top | Joe Lampton |  |
| 1959  (32)  | Jack Lemmon | Some Like It Hot | Jerry / Daphne |  |
| 1959  (32)  | Paul Muni | The Last Angry Man | Dr. Sam Abelman |  |
| 1959  (32)  | James Stewart | Anatomy of a Murder | Paul Biegler |  |