Joseph Cecil Maby (1902-1971) was a British biophysicist, dowser and psychical researcher. Maby was born in Natal, South Africa and moved to England as a child. He lived near Cheltenham. He alleged that he had experienced paranormal events at his family's home. He developed a lifelong interest in psychical research. Maby was a Fellow of the Royal Astronomical Society. He was a member of the British Society of Dowsers and Society for Psychical Research.