The High Sign
- Blwyddyn: 1921
- Gwlad: United States of America
- Genre: Crime, Comedy
- Stiwdio: Joseph M. Schenck Productions
- Allweddair: bodyguard, secret society, trapdoor, oath, slapstick comedy, train, drifter, dog, silent film, amusement park, criminal gang, death threat, shooting gallery, short film, gang sign
- Cyfarwyddwr: Buster Keaton, Edward F. Cline
- Cast: Buster Keaton, Bartine Burkett, Charles Dorety, Joe Roberts, Al St. John, Ingram B. Pickett