Hortense Flexner King (April 12, 1885 – September 28, 1973) was an American poet, playwright, and professor.
She attended Bryn Mawr College. She graduated from the University of Michigan, with a B.A. in 1907, and a M.A. in 1910. She worked for the Louisville Herald.
She married Wyncie King (1884–1961). They moved to Philadelphia. He was a contributor to the Saturday Evening Post. She taught at Bryn Mawr, from 1926 to 1940, and at Sarah Lawrence College from 1942 to 1950. They were friends of Susan Clay Sawitzky, and Martha Gellhorn.
In 1961, she returned to Louisville. Marguerite Yourcenar translated her poetry into French.
Her papers are held at the University of Louisville.