"Freud's Philosophy of the Unconscious" offers a comprehensive and systematic examination of Sigmund Freud's philosophy of mind. In this work, Freud is portrayed as a demanding thinker who engages with central questions that also concern contemporary philosophers and cognitive scientists. The book highlights Freud's intellectual development, beginning with his philosophical introduction by Franz Brentano in Vienna. It addresses fundamental topics such as the relationship between mind and body, the nature of consciousness, the difference between folk psychology and scientific psychology, as well as the relationship between language and thought. Furthermore, the critique of Freud's position by prominent thinkers such as Wittgenstein, Davidson, and Searle is analyzed, with their interpretations presented as inadequate. This book is aimed at a broad audience, including philosophers, cognitive scientists, psychologists, psychoanalysts, psychotherapists, and psychiatrists.