Sarah Knowles Bolton (September 15, 1841 - February 21, 1916) was an American writer. She was born in Farmington, Connecticut. In 1866, she married Charles E. Bolton, a merchant and philanthropist. She wrote extensively for the press, was one of the first corresponding secretaries of the Woman's National Temperance Union, and was associate editor of the Boston Congregationalist (1878-81). Bolton traveled for two years in Europe, studying profit-sharing, female higher education, and other social questions. Her writings encouraged readers to improve the world about them through faith and hard work.