James Willard McMillen (October 23, 1902 – January 27, 1984) was a professional American football player who played guard for five seasons for the Chicago Bears beginning in 1924. He was born in Grayslake, Illinois. He attended the University of Illinois where he played football, wrestled, and was a member of Sigma Pi fraternity. He was a Consensus All-American in 1923, All-Big Ten in 1922 and 1923, as well as team captain. As a member of Illinois' wrestling team, he only lost one match in three years.