Baby Jane may refer to:
Books
What Ever Happened to Baby Jane (novel), a 1960 novel by Henry Farrell
Baby Jane, a novel by Finnish writer Sofi Oksanen
Persons
Baby Jane Holzer (Jane Bruckenfeld, 1940), American actress, and model for Andy Warhol appearing in Soap Opera (1964), Couch (1964), and Camp (1965) Juanita Quigley (1931–2017), American actress billed as "Baby Jane" in several early roles
Film, television and video games
What Ever Happened to Baby Jane (1962 film), a film based on the novel, starring Bette Davis and Joan Crawford What Ever Happened to Baby Jane (1991 film), a remake based on the novel, starring Vanessa Redgrave and Lynn Redgrave Baby Jane Hudson, a character from the above work Baby Jane, a Splicer model in the video games BioShock and BioShock 2