Edith Alleyne Sinnotte (1871, Liverpool, UK – 15 November 1947, Balwyn, Victoria, Australia) was an Australian writer of British origin.

She learned Esperanto in the United Kingdom before emigrating to Melbourne, Australia in 1894.

[1] In December 1930 she married William Henry Mumford at the Holy Trinity Church, East Melbourne.

[4] In 1918 her novel Lilio was published in London by British Esperanto Association.

[2] Edith Alleyne Sinnotte died suddenly on 15 November 1947 at her home in Balwyn, Victoria, and was cremated.