Giải Oscar cho nam diễn viên chính xuất sắc nhất
Danh sách cụ thể > Thập niên 1920/1930

| Năm | Diễn viên | Phim | Vai diễn | Chú thích |
| --- | --- | --- | --- | --- |
| 1927/28  (1)  | Emil Jannings ‡ | The Last Command The Way of All Flesh | Grand Duke Sergius Alexander August Schilling |  |
| 1927/28  (1)  | Richard Barthelmess | The Noose The Patent Leather Kid | Nickie Elkins Patent Leather Kid |  |
| 1928/29 (2) | Warner Baxter ‡ | In Old Arizona | The Cisco Kid |  |
| 1928/29 (2) | George Bancroft | Thunderbolt | Thunderbolt Jim Lang |  |
| 1928/29 (2) | Chester Morris | Alibi | Chick Williams (No. 1065) |  |
| 1928/29 (2) | Paul Muni | The Valiant | James Dyke |  |
| 1928/29 (2) | Lewis Stone | The Patriot | Bá tước Pahlen |  |
| 1929/30  (3)  | George Arliss ‡ | Disraeli ‡ | Benjamin Disraeli |  |
| 1929/30  (3)  | George Arliss | The Green Goddess | The Raja |  |
| 1929/30  (3)  | Wallace Beery | The Big House | Butch 'Machine Gun' Schmidt |  |
| 1929/30  (3)  | Maurice Chevalier  | The Big Pond   The Love Parade | Pierre Mirande   Bá tước Alfred Renard |  |
| 1929/30  (3)  | Ronald Colman  | Bulldog Drummond   Condemned | Đại úy Hugh 'Bulldog' Drummond   Michel |  |
| 1929/30  (3)  | Lawrence Tibbett | The Rogue Song | Yegor |  |
| 1930/31  (4)  | Lionel Barrymore ‡ | A Free Soul | Stephen Ashe |  |
| 1930/31  (4)  | Jackie Cooper | Skippy | Skippy Skinner |  |
| 1930/31  (4)  | Richard Dix | Cimarron | Yancey Cravat |  |
| 1930/31  (4)  | Fredric March | The Royal Family of Broadway | Tony Cavendish |  |
| 1930/31  (4)  | Adolphe Menjou | The Front Page | Walter Burns |  |
| 1931/32  (5)  | Wallace Beery ‡ | The Champ | Andy "Champ" Purcell |  |
| 1931/32  (5)  | Fredric March ‡ | Dr. Jekyll and Mr. Hyde | Tiến sĩ Henry Jekyll / Mr. Edward Hyde |  |
| 1931/32  (5)  | Alfred Lunt | The Guardsman | Nam diễn viên |  |
| 1932/33  (6)  | Charles Laughton ‡ | The Private Life of Henry VIII | Vua Henry VIII của Anh |  |
| 1932/33  (6)  | Leslie Howard | Berkeley Square | Peter Standish |  |
| 1932/33  (6)  | Paul Muni | I Am a Fugitive from a Chain Gang | James Allen |  |
| 1934  (7)  | Clark Gable ‡ | It Happened One Night | Peter Warne |  |
| 1934  (7)  | Frank Morgan | The Affairs of Cellini | Alessandro – Công tước xứFlorence |  |
| 1934  (7)  | William Powell | The Thin Man | Nick Charles |  |
| 1935  (8)  | Victor McLaglen ‡ | The Informer | Gypo Nolan |  |
| 1935  (8)  | Clark Gable | Mutiny on the Bounty | Lieutenant Fletcher Christian |  |
| 1935  (8)  | Charles Laughton | Mutiny on the Bounty | Captain William Bligh |  |
| 1935  (8)  | Franchot Tone | Mutiny on the Bounty | Midshipman Roger Byam |  |
| 1935  (8)  | Paul Muni  | Black Fury | Joe Radek |  |
| 1936  (9)  | Paul Muni ‡ | The Story of Louis Pasteur | Louis Pasteur |  |
| 1936  (9)  | Gary Cooper | Mr. Deeds Goes to Town | Longfellow Deeds |  |
| 1936  (9)  | Walter Huston | Dodsworth | Sam Dodsworth |  |
| 1936  (9)  | William Powell | My Man Godfrey | Godfrey Park |  |
| 1936  (9)  | Spencer Tracy | San Francisco | Father Tim Mullin |  |
| 1937  (10)  | Spencer Tracy ‡ | Captains Courageous | Manuel |  |
| 1937  (10)  | Charles Boyer | Conquest | Hoàng đế Napoléon Bonaparte |  |
| 1937  (10)  | Fredric March | A Star Is Born | Norman Maine |  |
| 1937  (10)  | Robert Montgomery | Night Must Fall | Danny |  |
| 1937  (10)  | Paul Muni | The Life of Emile Zola | Émile Zola |  |
| 1938  (11)  | Spencer Tracy ‡ | Boys Town | Cha Flanagan |  |
| 1938  (11)  | Charles Boyer | Algiers | Pepe le Moko |  |
| 1938  (11)  | James Cagney | Angels with Dirty Faces | Rocky Sullivan |  |
| 1938  (11)  | Robert Donat | The Citadel | Tiến sĩ Andrew Manson |  |
| 1938  (11)  | Leslie Howard | Pygmalion | Giáo sư Henry Higgins |  |
| 1939  (12)  | Robert Donat ‡ | Goodbye, Mr. Chips | Charles Edward Chipping |  |
| 1939  (12)  | Clark Gable | Cuốn theo chiều gió | Rhett Butler |  |
| 1939  (12)  | Laurence Olivier | Wuthering Heights | Heathcliff |  |
| 1939  (12)  | Mickey Rooney | Babes in Arms | Mickey Moran |  |
| 1939  (12)  | James Stewart | Mr. Smith Goes to Washington | Jefferson Smith |  |