Charles Preston Cary (1856–1943) was an American educator.
Born in Marshall, Ohio, Cary went to Ohio Central Normal School and worked in education in Ohio, Kansas, and Nebraska. In 1893, he moved to Wisconsin and was the head of the Milwaukee State Normal School training department (now University of Wisconsin–Milwaukee. He received his bachelors degree from University of Chicago. He served as Wisconsin Superintendent of Public Instruction 1903–1921.[1]