Florence Mildred Muscio OBE (28 April 1882 – 17 August 1964) was an Australian activist for the rights of women and children, feminist and school principal.

Muscio was born Florence Mildred Fry on 28 April 1882 at Copeland, a village near Gloucester in the Upper Hunter region of New South Wales.

[2] She graduated with a BA (Hons) from the University of Sydney in 1901, and was awarded Professor Anderson's prize for logic and mental philosophy.

[5] In 1906 Dunn and Co published a 31-page book by Muscio and her sister Edith Fry titled Poems which was described by The Sydney Morning Herald as "several pleasing essays in verse".

[9] Back in Sydney in 1922 she acted as honorary secretary of the Better Films League from its inception,[10] an initiative of the National Council of Women of New South Wales, to which she belonged.