Andrew Jackson Milligan Jr. (February 12, 1929 – June 3, 1991) was an American playwright, screenwriter, actor, and filmmaker, whose work spans 1965 and 1988. Following a brief acting career, Milligan worked as a stage director in the off-off-Broadway milieu, before turning to filmmaking, commencing with an arthouse short but quickly moving to exploitation films. His works, all low-budget, include a number of horror films known for their violence, misanthropy and misogyny.