Ethel Gertrude Hart (1873 – 28 January 1965) was an Australian children's novelist, short story writer and poet.

Ethel Gertrude Hart was born in 1873 in the Melbourne suburb of Williamstown, and grew up in Stawell in western Victoria.

[4] On the day she received the first copy of her 1912 romance novel, The Dream Girl, she walked for the first time in seven years, following successful surgery.

[9] In 1927 it became the Society of Australian Authors, with Cronin as president and Louis Lavater and Hart vice-presidents.

[12] Hart spent her final years at Ferny Creek and died at Olinda on 28 January 1965.