Shirley Mac McVicker Marsh (June 22, 1925 – June 8, 2014) was an American politician and social worker.
Born in Benton, Illinois, Marsh received her bachelor's and master's degrees from University of Nebraska–Lincoln in social welfare. Her husband was Frank Marsh who was Lieutenant Governor of Nebraska and lived in Lincoln, Nebraska where she had graduated from Lincoln High School. She was a member of the Republican Party and was elected to the Nebraska State Legislature in 1973. Marsh died in Lincoln, Nebraska.