Geneva Smith Douglas (April 24, 1932 – January 30, 1993) was a nuclear physicist and radiation scientist who worked for both the U.S. Public Health Service and the U.S. Environmental Protection Agency. She served as a scientific collaborator for the nuclear industry and the communities local to her work in researching the impacts of nuclear weapon testing programs at the Nevada Test Site. She developed an offsite radiation monitoring program in her time as the Program Operations Manager of the Environmental Monitoring Systems Laboratory and focused much of her time to speaking and advising on nuclear safety and nuclear testing throughout her career and following her retirement. Douglas was an activist for Soroptimist International and was a charter member of Soroptimist International of Greater Las Vegas. Douglas, with her previous employment and her position within Soroptimist International, lobbied Congress on environmental issues, such as environmental preservation.