Barbara Guest née Barbara Ann Pinson (September 6, 1920 – February 15, 2006) was an American poet and prose stylist. Guest first gained recognition as a member of the first generation New York School of poetry. Guest wrote more than 15 books of poetry spanning sixty years of writing. In 1999, she was awarded the Frost Medal for Lifetime Achievement by the Poetry Society of America. Guest also wrote art criticism, essays, and plays. Her collages appeared on the covers of several of her books of poetry. She was also well known for her biography of the poet H.D., ''Herself Defined: The Poet H.D. and Her World'' (1984).