Aaron Monroe "Mac" McCreary (September 15, 1892 – ?) was an American football, basketball, and baseball player, coach, and college athletics administrator. He served as the head football coach at Tempe State Teachers College, known at Arizona State Teachers College by 1929 and now called Arizona State University, compiling a career college football record of 25–17–4. McCreary was also the head basketball coach at Tempe/Arizona State Teachers from 1923 to 1930 and at Arizona State Teacher's College of Flagstaff, now Northern Arizona University, amassing a career college basketball record of 140–149. In addition, he coached baseball at Tempe/Arizona State Teachers (1924–1926, 1928, 1930–1931) and at Arizona State Teacher's Flagstaff in 1959, tallying a career college baseball mark of 22–56–1.
McCreary played football, basketball, and baseball at Arizona State, known as Tempe Normal College when he starred on the football team as a back in 1914. He later earned a degree from the University of Arizona. McCreary also coached track and field, skiing, and boxing, and assisted in football at Arizona State Teacher's Flagstaff before retiring in 1963. He is a member of the Northern Arizona University Athletics Hall of Fame.