Sarah Barnwell Elliott (November 29, 1848 – August 30, 1928) was a novelist, short story writer, and an advocate of women's rights.
She was born in Montpelier, Georgia to Stephen Elliott a bishop in the Episcopal Church who was the founder of the Montpelier Female Institute and later one of the founders of the University of the South at Sewanee, Tennessee. Her brother Robert Woodward Barnwell Elliott (d. 1887) was the first Bishop of the Missionary Jurisdiction of Western Texas, Protestant Episcopal Church in the United States. She received private tutoring and attended classes at Johns Hopkins University in 1886. She moved to Sewanee in 1871 and other than living in New York City from 1895 to 1902, she was on the Mountain the remainder of her life. Her novels included The Felmeres (1879), A Simple Heart (1887), Jerry (1891), and The Making of Jane (1901). Elliott became active in the women's suffrage movement and served as president of the Tennessee Equal Suffrage Association from 1912-1914. She died in 1928.