Margaret Seddon (18 November 1872 – 17 April 1968) was 'n Amerikaanse aktrise. Sy was bekend vir haar rolle in die rolprente The Land of Promise (1917), Quality Street (1927), The Actress (1928), en Raffles (1939).
- 1915: The Dawn of a Tomorrow
- 1917: The Land of Promise
- 1917: The Girl Without a Soul
- 1917: Miss Robinson Crusoe
- 1919: The Country Cousin
- 1920: Headin' Home
- 1920: The Miracle of Money
- 1920: Wings of Pride
- 1921: The Case of Becky
- 1921: The Highest Law
- 1921: The Man Worthwhile
- 1921: A Man's Home
- 1921: Just Around the Corner
- 1921: School Days
- 1921: The Blasphemer
- 1922: Boomerang Bill
- 1922: The Lights of New York
- 1922: Sonny
- 1922: Timothy's Quest
- 1922: Women Men Marry
- 1923: Little Johnny Jones
- 1924: A Lady of Quality
- 1924: The Night Message
- 1924: The Snob
- 1924: Through the Dark
- 1924: The Human Terror
- 1925: The Golden Cocoon
- 1925: The Midshipman
- 1925: New Lives for Old
- 1925: Wages for Wives
- 1926: A Regular Scout
- 1926: Wild Oats Lane
- 1926: Things Wives Tell
- 1927: Quality Street
- 1927: Home Made
- 1927: Matinee Ladies
- 1927: Silk Legs
- 1927: White Pants Willie
- 1928: The Actress
- 1929: Dance Hall
- 1930: The Dude Wrangler
- 1932: Bachelor Mother
- 1939: Raffles