At the Sign of the Jack O'Lantern is a 1922 American silent comedy drama film directed by Lloyd Ingraham, who co-wrote the film adaption with David Kirkland. It stars Betty Ross Clarke, Earl Schenck, and Wade Boteler. The film is today considered lost. The screenplay was based on the eponymous novel by Myrtle Reed, who also wrote cookbooks under the pen name Olivia Green and committed suicide in 1911.