Janet Alexander (1880 – 28 Junie 1961) was 'n Engelse aktrise. Sy was bekend vir haar rolle in die rolprente What's Bred... Comes Out in the Flesh (1916), The Treasure of Heaven (1916), The Village Blacksmith (1917), en I Hear You Calling Me (1919).
- 1916: What's Bred... Comes Out in the Flesh
- 1916: The Treasure of Heaven
- 1916: A Fallen Star
- 1916: Queen of the Wicked
- 1917: The Village Blacksmith
- 1917: For All Eternity
- 1917: The Will of the People
- 1918: The Secret Woman
- 1919: I Hear You Calling Me
- 1919: God's Clay
- 1919: Queen's Evidence
- 1920: The Hour of Trial
- 1928: Not Quite a Lady
- 1930: No Exit