The Tree of Knowledge is a lost 1920 American silent drama film produced by Famous Players-Lasky and distributed by Paramount Pictures. It was directed by William C. deMille and starred Robert Warwick. It is based on an 1897 play, The Tree of Knowledge, by R. C. Carton. In a prologue to the film involving a Garden of Eden scene, Yvonne Gardelle appears nude as Lilith to tempt Adam, who was played by dancer Theodore Kosloff. The two actors of the prologue were promoted in print advertisements for the film.