Ranson's Folly may refer to:
Ranson's Folly, a 1902 novel by Richard Harding Davis Ranson's Folly, a 1903 play by Richard Harding Davis, adapted from his novel. Ranson's Folly (1915 film), a lost 1915 silent film Ranson's Folly (1926 film), a 1926 silent film