Friedrich (Frederick) Salomon Perls (July 8, 1893 – March 14, 1970), better known as Fritz Perls, was a noted German-born psychiatrist, psychoanalyst and psychotherapist. Perls coined the term 'Gestalt therapy' to identify the form of psychotherapy that he developed with his wife, Laura Perls, in the 1940s and 1950s. Perls became associated with the Esalen Institute in 1964, and he lived there until 1969. His approach to psychotherapy is related to, but not identical to, Gestalt psychology, and it is different from Gestalt theoretical psychotherapy.

The core of the Gestalt Therapy process is enhanced awareness of sensation, perception, bodily feelings, emotion, and behavior, in the present moment. Relationship is emphasized, along with contact between the self, its environment, and the other.