70,000 Witnesses is a 1932 American pre-Code mystery film directed by Ralph Murphy, written by Garrett Fort, Robert N. Lee, Allen Rivkin and P.J. Wolfson, and starring Phillips Holmes, Dorothy Jordan, Charlie Ruggles, Johnny Mack Brown, J. Farrell MacDonald, Lew Cody and David Landau. It was released on September 9, 1932, by Paramount Pictures. The film's sets were designed by the art director David S. Garber.

In the film, a star player of college football collapses during a game. He dies shortly after, and his death is initially ruled accidental. But a police detective wants to re-enact the football game, in an attempt to find who killed the player.