Sarah C. M. Sowton (who published as [Miss] S.C.M. Sowton, 1854 – 1929)[1] was a British physiologist. She had a varied scientific career beginning in the 1890s in which she investigated the impact of various factors on bodily function, from chemical stimulation to work and the menstrual cycle, culminating in a post as researcher to Britain's Industrial Fatigue Research Board in the 1920s. She was a pioneer of women's involvement in the Physiological Society.