Arthur Janov (born August 21, 1924) is an American psychologist, psychotherapist, and the creator of primal therapy, a treatment for mental illness that involves repeatedly descending into, feeling, and expressing long-repressed childhood pain. Janov directs a psychotherapy institute called the Primal Center in Santa Monica, California. Janov is the author of many books, most notably The Primal Scream.

Arthur Janov was born in Los Angeles. Janov received his B.A. and M.S.W. in psychiatric social work from the University of California, Los Angeles and his Ph.D. in psychology from Claremont Graduate School in 1960. Janov originally practiced conventional psychotherapy in his native California. He did an internship at the Hacker Psychiatric Clinic in Beverly Hills, worked for the Veterans’ Administration at Brentwood Neuropsychiatric Hospital and has been in private practice since 1952. He was also on the staff of the Psychiatric Department at Los Angeles Children’s Hospital where he was involved in developing their psychosomatic unit.