Orson Welles' Sketch Book is a series of six short television commentaries by Orson Welles for the BBC in 1955. Written and directed by Welles, the 15-minute episodes present the filmmaker's commentaries on a range of subjects. Welles frequently draws from his own experiences and often illustrates the episodes with his own sketches.

Premier travail de Welles pour la télévision, cette série télévisée en six parties narre des extraits de la vie du cinéaste.