M'Liss is a 1918 American silent comedy drama film directed by Marshall Neilan, written by Frances Marion and based on a Bret Harte story.

The film was made previously in 1915 and was remade again in 1922 as The Girl Who Ran Wild, starring Gladys Walton.

M'Liss (Mary Pickford) is one of the inhabitants whose father "Bummer" (Theodore Roberts) lost his fortune in the gold mines.

M'Liss is the only person in Bummer's life as his brother Jonathan, a wealthy pioneer, lives in San Francisco.

Clara Peterson (Winifred Greenwood) has been his nurse for over three years and her brother Jim (Val Paul) finds out they will receive $500 each for their services after his death.

Clara Peterson reaches town to visit Bummer, finding him dead, she declares herself his long lost widow and asserts her claim to the will.