Ane Catherine "Anna" Sterky, née Nielsen (1856–1939) Danish-Swedish politician (Social Democrat), trade union organiser, feminist and editor.
Sterky worked as a seamstress in Denmark, were she was active in the Danish trade union movement. In 1891, she moved to Sweden with the Swedish trade union organiser Fredrik Sterky, with whom she had a relationship; they never married, but she used his surname. She was a pioneer in her work to build up trade unions for women, and she also worked for the creation of a social democratic women's group within the party. She was a member of the Swedish Social Democratic Party from 1900 to 1925, chairwoman of the Women's Trade Union 1902–1907, editor of the paper Morgonbris 1904–1909 and honorary chairwoman of the Social Democratic Women in Sweden 1920–1925.