Selma Rubin (March 28, 1915 – March 9, 2012) was an American environmentalist and environmental activist. She was called a co-founder of Earth Day. Rubin was a member or adviser for more than forty organizations spanning more than 57 years. Many of the grassroot organizations she co-foundered are still thriving today like the Environmental Defense Center (EDC), the Community Environmental Council (CEC), the ACLU, SBCAN, and the Fund for Santa Barbara among them.