Noon Wine is a 1937 short novel by American author Katherine Anne Porter. It initially appeared in a limited numbered edition of 250, all signed by the author and published by Shuman's. It later appeared in 1939 as part of Pale Horse, Pale Rider (ISBN 0-15-170755-3), a collection of three short novels by the author, including the title story and "Old Mortality." A dark tragedy about a farmer's futile act of homicide that leads to his own suicide, the story takes place on a small dairy farm in southern Texas during the 1890s. It has been filmed twice for television, in 1966 and 1985.

Katherine Anne Porter was an American journalist, essayist, short story writer, novelist, poet and political activist. Her 1962 novel Ship of Fools was the best-selling novel in America that year, but her short stories received much more critical acclaim. In 1966 she was awarded the Pulitzer Prize for Fiction and the U.S. National Book Award for The Collected Stories of Katherine Anne Porter.