William Welsh (9 Februarie 1870 – 16 Julie 1946) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente Traffic in Souls (1913), The Bull's Eye (1917), Parentage (1917), en Burning Words (1923).
- 1913: Traffic in Souls
- 1914: Neptune's Daughter
- 1915: Courtmartialed
- 1915: The Primrose Path
- 1915: The White Terror
- 1915: Conscience
- 1916: Autumn
- 1916: Elusive Isabel
- 1916: The Lords of High Decision
- 1916: The Narrow Path
- 1917: The Bull's Eye
- 1917: Parentage
- 1919: The Little Diplomat
- 1920: Over the Hill to the Poorhouse
- 1920: Trailed by Three
- 1921: Luring Lips
- 1921: The Man Tamer
- 1921: The Secret Four
- 1922: The Lone Hand
- 1922: The Scrapper
- 1922: Top o' the Morning
- 1922: With Stanley in Africa
- 1923: Burning Words
- 1923: Dead Game
- 1923: The Ramblin' Kid
- 1923: Shadows of the North
- 1923: The Shock
- 1923: Shootin' for Love
- 1923: The Social Buccaneer
- 1923: The Town Scandal
- 1924: Excitement
- 1924: The Man from Wyoming
- 1924: The Price She Paid
- 1924: The Iron Man
- 1925: Don Dare Devil
- 1925: The Fighting Ranger
- 1925: Fighting the Flames
- 1925: Flying Hoofs
- 1925: The White Outlaw
- 1926: The Demon
- 1926: The Man from the West
- 1926: Western Pluck
- 1926: Frenzied Flames
- 1927: Paying the Price
- 1927: Wandering Girls
- 1927: The Western Rover
- 1928: Companionate Marriage
- 1928: Daredevil's Reward
- 1931: Sundown Trail
- 1935: Queen of the Jungle
- 1935: Queen of the Jungle