Passing Through (also known as Passing Thru) is a 1921 American silent comedy drama film, directed by William A. Seiter and written by Agnes Christine Johnston, and Joseph F. Poland. The film stars Douglas MacLean, Madge Bellamy, Otto Hoffman, Cameron Coffey, Fred Gamble, Bert Hadley, and Margaret Livingston. The film was released on August 14, 1921, by Paramount Pictures. It is not known whether the film currently survives, which suggests that it is a lost film.