George O'Brien (19 April 1899 – 4 September 1985) was 'n Amerikaanse akteur en vervaardiger. Hy was bekend vir sy rolle in die rolprente Sunrise (1927), Noah's Ark (1928), The Marshal of Mesa City (1939), en Fort Apache (1948).
- 1922: White Hands
- 1924: The Iron Horse
- 1924: The Man Who Came Back
- 1924: The Painted Lady
- 1924: The Roughneck
- 1925: The Dancers
- 1925: The Fighting Heart
- 1925: Havoc
- 1925: Thank You
- 1926: The Blue Eagle
- 1926: Fig Leaves
- 1926: The Johnstown Flood
- 1926: Rustling for Cupid
- 1926: The Silver Treasure
- 1926: 3 Bad Men
- 1927: Sunrise
- 1927: East Side, West Side
- 1927: Is Zat So?
- 1927: Paid to Love
- 1928: Noah's Ark
- 1928: Blindfold
- 1928: Honor Bound
- 1928: Sharp Shooters
- 1929: Masked Emotions
- 1929: Salute
- 1929: True Heaven
- 1930: The Last of the Duanes
- 1930: The Lone Star Ranger
- 1930: Rough Romance
- 1931: Fair Warning
- 1931: A Holy Terror
- 1931: Riders of the Purple Sage
- 1931: Seas Beneath
- 1932: The Gay Caballero
- 1932: The Golden West
- 1932: Mystery Ranch
- 1932: The Rainbow Trail
- 1932: Robbers' Roost
- 1933: The Last Trail
- 1933: Life in the Raw
- 1933: Smoke Lightning
- 1934: The Dude Ranger
- 1934: Ever Since Eve
- 1934: Frontier Marshal
- 1935: The Cowboy Millionaire
- 1935: Hard Rock Harrigan
- 1935: Thunder Mountain
- 1935: When a Man's a Man
- 1935: Whispering Smith Speaks
- 1936: The Border Patrolman
- 1936: Daniel Boone
- 1936: O'Malley of the Mounted
- 1937: Hollywood Cowboy
- 1937: Park Avenue Logger
- 1937: Windjammer
- 1938: Border G-Man
- 1938: Gun Law
- 1938: Lawless Valley
- 1938: Painted Desert
- 1938: The Renegade Ranger
- 1939: The Marshal of Mesa City
- 1939: Arizona Legion
- 1939: The Fighting Gringo
- 1939: Racketeers of the Range
- 1939: Timber Stampede
- 1939: Trouble in Sundown
- 1940: Bullet Code
- 1940: Legion of the Lawless
- 1940: Prairie Law
- 1940: Stage to Chino
- 1940: Triple Justice
- 1948: Fort Apache
- 1951: Gold Raiders
- 1961: I 10 del Texas
