Muriel Dowding, Baroness Dowding (March 22, 1908 – November 20, 1993) was an English animal rights activist. Like her husband Hugh Dowding, 1st Baron Dowding, she was a vegetarian, an anti-vivisectionist and a spiritualist.
She was well known in Britain for her work as an animal rights campaigner. In 1959 she founded Beauty Without Cruelty (BWC) to highlight the suffering of animals. She won several awards from the Royal Society for the Prevention of Cruelty to Animals (RSPCA).