Harry Northrup (31 Julie 1875 – 2 Julie 1936) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente The Christian (1914), The Painted World (1919), The Unchastened Woman (1925), en The Heart of Maryland (1927).
- 1914: The Christian
- 1916: The Blue Envelope Mystery
- 1916: Fifty-Fifty
- 1916: My Lady's Slipper
- 1916: The Traveling Salesman
- 1916: Britton of the Seventh
- 1916: Fathers of Men
- 1917: The Greatest Power
- 1917: The Millionaire's Double
- 1917: Their Compact
- 1917: The Voice of Conscience
- 1917: The Beautiful Lie
- 1917: Greed
- 1917: The Trail of the Shadow
- 1918: The Eyes of Mystery
- 1918: In Judgment of...
- 1918: The Trail to Yesterday
- 1919: The Painted World
- 1919: As the Sun Went Down
- 1919: The Brute Breaker
- 1919: The Fear Woman
- 1919: The Way of the Strong
- 1919: Two Women
- 1920: The Luck of the Irish
- 1920: Polly of the Storm Country
- 1920: The White Circle
- 1920: The Blue Moon
- 1921: The Flower of the North
- 1921: Wing Toy
- 1922: Hate
- 1922: Saved by Radio
- 1922: Winning with Wits
- 1923: The Greatest Menace
- 1925: The Unchastened Woman
- 1925: The Gambling Fool
- 1926: Racing Romance
- 1926: The Outlaw Breaker
- 1927: The Heart of Maryland
- 1927: Wanted: A Coward