Barbara Guest née Barbara Ann Pinson (6 September 1920 — 15 February 2006) was an American poet and critic most often associated with the New York School.
Born in Wilmington, North Carolina and raised in California, Guest earned a B.A. in General Curriculum-Humanities in 1943 at UC Berkeley. She spent years in New York City where she became involved with the New York School Poets. She was also well-known for her book on the poet H.D., Herself Defined: The Poet H.D. and Her World (1984). In 1999, she was awarded the Frost Medal for Lifetime Achievement by the Poetry Society of America.