Lady Darwin may refer to:
Jane Harriet Ryle (1794–1866), wife of Sir Francis Sacheverel Darwin Ida Darwin (1854–1946), wife of Sir Horace Darwin Maud Darwin (1861–1947), wife of Sir George Darwin Florence Henrietta Darwin (1864–1920), 3rd wife of Sir Francis Darwin Katharine Pember Darwin (1901–1986), mathematician, wife of Sir Charles Darwin Ginette Darwin (?-2006), 2nd wife of Sir Robin Darwin