May Hill Arbuthnot (October 1, 1884, in Brooklyn, New York – September 25, 1969) was an American educator, librarian, and author renowned for her advocacy of children's literature. She dedicated her life to promoting literacy and fostering a love of reading among young people, making significant contributions to the field through her work as a librarian and educator. Arbuthnot's influence continues to be felt in the world of children's literature and reading education.