Ellinor Gertrude Walker OBE (9 April 1893 – 7 November 1990) was an Australian kindergarten teacher and women's rights activist.

[1][2] She wrote plays and poems and is credited with drafting The Guardianship of Infants Act passed in 1940 in South Australia.

[5] Walker became the principal of the Halifax Street Free Kindergarten which gave assistance to the poor mothers of the area.

Her draft was checked by lawyer Roma Mitchell and with one amendment it was adopted by the government as part of that year's legislation.

[4][10] Walker was appointed an Officer of the Order of the British Empire in the 1971 Birthday Honours for service to the community.