Kathlyn Williams (31 Mei 1879 – 23 September 1960) was 'n Amerikaanse aktrise, skryfster, en regisseuse. Sy was bekend vir haar rolle in die rolprente The Rosary (1915), The Ne'er Do Well (1916), Big Timber (1917), en Clarence (1922).
- 1913: The Adventures of Kathlyn
- 1913: The Lipton Cup: Introducing Sir Thomas Lipton
- 1913: I Hear Her Calling Me (from the Heart of Africa)
- 1914: The Spoilers
- 1915: The Rosary
- 1915: The Carpet from Bagdad
- 1915: Sweet Alyssum
- 1916: The Ne'er Do Well
- 1916: Into the Primitive
- 1916: Redeeming Love
- 1916: Thou Shalt Not Covet
- 1916: The Valiants of Virginia
- 1916: The Adventures of Kathlyn
- 1917: Big Timber
- 1917: The Cost of Hatred
- 1917: The Highway of Hope
- 1917: Lost in Transit
- 1917: Out of the Wreck
- 1918: The Things We Love
- 1918: We Can't Have Everything
- 1918: The Whispering Chorus
- 1918: A Girl Named Mary
- 1919: The Better Wife
- 1919: Her Purchase Price
- 1920: Just a Wife
- 1920: The Prince Chap
- 1920: The Tree of Knowledge
- 1920: The U.P. Trail
- 1921: Everything for Sale
- 1921: Forbidden Fruit
- 1921: Hush
- 1921: A Man's Home
- 1921: A Private Scandal
- 1921: A Virginia Courtship
- 1922: Clarence
- 1923: Broadway Gold
- 1923: The Spanish Dancer
- 1923: Trimmed in Scarlet
- 1923: The World's Applause
- 1924: The City That Never Sleeps
- 1924: The Painted Flapper
- 1924: Single Wives
- 1924: Wanderer of the Wasteland
- 1924: When a Girl Loves
- 1925: The Best People
- 1925: Locked Doors
- 1928: Honeymoon Flats
