Rosemary Anne "Rosie" Batty, (born 1962) is an Australian domestic violence campaigner and the 2015 Australian of the Year.
Her role as a campaigner began in 2014 after her 11-year-old son Luke Batty was murdered by his father Greg Anderson.As a campaigner, she has spoken publicly about her experiences as a survivor of domestic violence to raise public awareness and advocate for social changes.
Batty is considered to have had a significant influence on national public attitudes, philanthropy, government initiatives and funding, support services and police and legal procedures related to domestic violence in Australia.In 2016, then Prime Minister Malcolm Turnbull said of domestic violence in Australia that "cultural change requires a great advocate and Rosie has been able to do that in a way that I think nobody has done before".
On 10 June 2019, she was appointed an Officer of the Order of Australia in the general division as part of the Queen's Birthday 2019 Honours recognition for her "distinguished service to the community as a campaigner and advocate for the prevention of family violence".