Carl Alfred Meier (born June 24, 1874, in Heiden, Switzerland) was a prominent Swiss psychiatrist and psychologist. He is well-regarded for his contributions to the fields of spiritual psychology and the study of consciousness. Throughout his career, Meier explored the deeper meanings of human experiences, emphasizing the spiritual dimension of psychological phenomena. His work has influenced both psychological and spiritual thought, and he remains a respected figure in the study of the human mind and spirit.