Robert Desoille (May 29, 1890 - October 10, 1966) was a French psychotherapist. A graduate of the Sorbonne and École centrale de Lille, he worked at EDF and he became known for his studies on waking dreams. Desoille was born in Besançon into a family of military officers and began a scientific education in engineering that he would never complete after being mobilized in World War I. After his 1923 meeting with , who introduced him to an experimental mental imaging technique, he developed his method of the "directed waking dream" (rêve eveillé dirigé, or RED), explicating it in seven books.