Mary Atkinson was a British suffragette and trade unionist.
Born in Lancashire, Mary Atkinson grew up in Brierfield. She worked as a textile worker and joined the Textile Committee (Lancashire and Cheshire Women Textile and other Worker's Representation Committee). In 1910, she began her campaign for women's suffrage and became a member of the Nelson & Clitheroe Suffrage Society, alongside Harriette Beanland, Margaret Aldersley, Cissy Foley, Clara Staton and Selina Cooper.