Mary Reid Anderson (née Macarthur; 13 August 1880 – 1 January 1921) was a Scottish suffragist (although at odds with the national groups who were willing to let a minority of women gain the franchise) and was a leading trades unionist. She was the general secretary of the Women's Trade Union League and was involved in the formation of the National Federation of Women Workers and National Anti-Sweating League. In 1910, Macarthur led the women chain makers of Cradley Heath to victory in their fight for a minimum wage and led a strike to force employers to implement the rise.