Mary Ann Monroe (March 7, 1860 – September 11, 1953) was a prominent teacher and school administrator in Spokane, Washington, and an active figure in education across the state of Washington. She was the first woman to serve as president of the Washington Education Association and the first woman on the board of trustees at the State Normal School at Cheney. She ran unsuccessfully for the office of Washington Superintendent of Public Instruction in 1912, but was active in civic and state politics in the early 20th century.