Ewald Daub (1889–1946) was a German cinematographer who shot more than a hundred films during his career. Daub entered the film industry during the silent era, with one of his first films being the biopic Martin Luther (1923). Over the next two decades he was to work on a number of Harry Piel thrillers and Heinz Rühmann comedies. He died in 1946 following an operation.