Ella Mary Edghill M.A. (born 13 November 1881 at Aldershot; date of death unknown) was a British translator known primarily for her translation of Categories which appeared in Volume 1 (1928) of the The Works of Aristotle series, edited by W. D. Ross and J. A. Smith. She was the daughter of Rev. John Cox Edghill, DD, Chaplain General to British Armed Forces, and Mary Nesfield.
The Clarendon Press edition of 1928 describes Edghill as "E. M. Edghill M.A.; ex-associate of Newnham College, Cambridge.
A Miss "Ella Mary Edghill" was the Headmistress of Saint Felix School between 1926 and 1938.