Dorothy Louise Eady (16 January 1904 – 21 April 1981), also known as Omm Sety or Om Seti, was a British antiques caretaker and folklorist. She was keeper of the Abydos Temple of Seti I and draughtswoman for the Department of Egyptian Antiquities. She is known for her belief that in a previous life she had been a priestess in ancient Egypt, as well as her considerable historical research at Abydos. Her life and work has been the subject of many articles, television documentaries, and biographies.