Sir Arne's Treasure is a 1919 Swedish silent crime-drama film directed and co-written by Mauritz Stiller, starring Richard Lund, Hjalmar Selander, Concordia Selander and Mary Johnson. It is based on the novel The Treasure by Selma Lagerlöf, originally published in 1903. The story takes place on the Swedish west coast during the 16th century, and revolves around a Scottish mercenary who murders a wealthy family for treasure, only to unwittingly begin a relationship with the surviving daughter of the family.

Selma Ottilia Lovisa Lagerlöf was a Swedish writer. She published her first novel, Gösta Berling's Saga, at the age of 33. She was the first woman to win the Nobel Prize in Literature, which she was awarded in 1909. Additionally, she was the first woman to be granted a membership in the Swedish Academy in 1914.