Clara Lemlich Shavelson (March 28, 1886 – July 12, 1982) was a leader of the Uprising of 20,000, the massive strike of shirtwaist workers in New York's garment industry in 1909. Later blacklisted from the industry for her labor union work, she became a member of the Communist Party USA and a consumer activist. In her last years as a nursing home resident she helped to organize the staff.