William Farnum (4 Julie 1876 – 5 Junie 1953) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente Samson (1915), The Man Hunter (1919), The Count of Monte Cristo (1934), en Samson and Delilah (1949).
- 1914: The Sign of the Cross
- 1914: The Spoilers
- 1915: Samson
- 1915: The Broken Law
- 1915: A Gilded Fool
- 1915: The Governor
- 1915: The Plunderer
- 1915: A Soldier's Oath
- 1915: The Wonderful Adventure
- 1916: The Battle of Hearts
- 1916: The Bondman
- 1916: Fighting Blood
- 1916: Fires of Conscience
- 1916: The Man from Bitter Roots
- 1916: A Man of Sorrow
- 1917: American Methods
- 1917: The Conqueror
- 1917: The Heart of a Lion
- 1917: Les Misérables
- 1917: The Price of Silence
- 1917: A Tale of Two Cities
- 1917: When a Man Sees Red
- 1918: For Freedom
- 1918: The Rainbow Trail
- 1918: Riders of the Purple Sage
- 1918: Rough and Ready
- 1918: True Blue
- 1919: The Man Hunter
- 1919: The Jungle Trail
- 1919: The Last of the Duanes
- 1919: The Lone Star Ranger
- 1919: Wings of the Morning
- 1919: Wolves of the Night
- 1920: The Adventurer
- 1920: Drag Harlan
- 1920: Heart Strings
- 1920: If I Were King
- 1920: The Joyous Trouble-Makers
- 1920: The Orphan
- 1920: The Scuttlers
- 1921: His Greatest Sacrifice
- 1921: Perjury
- 1922: Moonshine Valley
- 1922: Shackles of Gold
- 1922: A Stage Romance
- 1922: Without Compromise
- 1923: Brass Commandments
- 1923: The Gunfighter
- 1924: The Man Who Fights Alone
- 1930: Du Barry, Woman of Passion
- 1931: A Connecticut Yankee
- 1931: The Painted Desert
- 1931: Ten Nights in a Bar-Room
- 1931: The Law of the Sea
- 1932: The Drifter
- 1932: Flaming Guns
- 1932: Mr. Robinson Crusoe
- 1933: Marriage on Approval
- 1934: The Count of Monte Cristo
- 1934: Are We Civilized?
- 1934: The Brand of Hate
- 1934: Happy Landing
- 1934: The Silver Streak
- 1935: Between Men
- 1935: The Eagle's Brood
- 1935: The Irish Gringo
- 1935: The Fighting Coward
- 1935: Million Dollar Haul
- 1936: Custer's Last Stand
- 1936: The Kid Ranger
- 1936: Undersea Kingdom
- 1937: Public Cowboy No. 1
- 1938: Shine on Harvest Moon
- 1942: Boss of Hangtown Mesa
- 1942: Deep in the Heart of Texas
- 1942: Lone Star Ranger
- 1942: The Silver Bullet
- 1942: Today I Hang
- 1946: God's Country
- 1946: My Dog Shep
- 1949: Samson and Delilah
- 1949: Gun Cargo
