Louise Lagrange (19 August 1898 – 28 February 1979) was a French film actress. Lagrange was born in Oran, French Algeria, and had a film career spanning from 1907 through 1951. She appeared in French and American films, and was in the serial Les Vampires (1915-1916). She wed twice, with her first marriage to the film director Maurice Tourneur and the second was to stage performer William Elliot. She died in Paris in 1979.