Musa Jane McKim Guston (née McKim; August 23, 1908 – March 30, 1992), was a painter and poet. Born in Oil City, Pennsylvania, McKim spent much of her youth in Panama. During the Great Depression, she worked under the Section of Fine Arts, painting murals in public buildings, including a Post Office building in Waverly, New York. She was the wife of New York School artist Philip Guston, whom she met while attending the Otis Art Institute. In cooperation with him, she painted a mural in a United States Forest Service building in Laconia, New Hampshire, and panels which were placed aboard United States Maritime Commission ships. After her painting career, she wrote poetry, publishing her work in small literary magazines. Along with her husband and daughter, she lived in Iowa City, Iowa and Ne