Susie Orbach (born 6 November 1946) is a British psychotherapist, psychoanalyst, writer and social critic. Her first book, Fat is a Feminist Issue, analysed the psychology of dieting and over-eating in women, and she has campaigned against media pressure on girls to feel dissatisfied with their physical appearance. She was married to the author Jeanette Winterson. She is honoured in BBC'S 100 Women in 2013 and 2014. She was the therapist to Diana, Princess of Wales during the 1990s.
