Actors Who Died in 1931
- Jan 4 Arthemus "Art" Acord, American silent film actor and rodeo champion (Arizona Kid, Hard Fists), commits suicide by poison at 40
- Jan 22 Alma Rubens, American actress (Humoresque), dies of Lobar pneumonia and bronchitis at 33
- Mar 11 F. W. Murnau German film director (Nosferatu, The Last Laugh), dies of a car crash at 42
- Aug 5 Ullrich Haupt, Prussian actor (Morocco, Du Barry-Woman of Passion), accidentally shot at 43
- Aug 13 Lester Lonergan, Irish-American stage and screen actor and director (Seven Faces), dies at 62
- Nov 27 Lya De Putti [Amália Putti], Hungarian silent film actress, known for portraying vamp characters, dies at 34
- Dec 23 (Frederick) Tyrone Power Sr., British-American stage and screen actor (The Big Trial; The Test of Donald Norton), dies of a heart attack at 62