Adela Constantia Mary Walsh was a British born suffragette who worked as a political organiser for the Women's Social and Political Union (WSPU) in Scotland. In 1914 she moved to Australia where she continued her activism and was co-founder of both the Communist Party of Australia and the Australia First Movement.

The Women's Social and Political Union (WSPU) was a women-only political movement and leading militant organisation campaigning for women's suffrage in the United Kingdom founded in 1903. Known from 1906 as the suffragettes, its membership and policies were tightly controlled by Emmeline Pankhurst and her daughters Christabel and Sylvia. Sylvia was eventually expelled.