Sarah Courtauld (1876-1962) was a British philanthropist and socialite. She was born into a wealthy family and was educated at home. She was a passionate advocate for women's rights and education, and was a major benefactor of the Courtauld Institute of Art. She was also a patron of the arts, and was a major supporter of the National Gallery and the Tate Gallery. She was a prominent figure in the British social scene, and was a close friend of the Royal Family. She was a passionate advocate for the welfare of children, and was a major donor to charities such as the NSPCC. She was a tireless campaigner for social justice and was a major influence in the development of the welfare state.