His Royal Slyness
- İl: 1920
- Ölkə: United States of America
- Janr: Comedy
- Studiya: Rolin Films
- Açar söz: dual identity, prince, salesman, identity swap
- Direktor: Hal Roach
- Oyuncu: Harold Lloyd, Mildred Davis, Harry 'Snub' Pollard, Gus Leonard, Noah Young, Roy Brooks