The Northwestern Wildcats football team represents Northwestern University as an NCAA Division I college football team and member of the Big Ten Conference based near Chicago in Evanston, Illinois. Founded in 1851, Northwestern began playing football in 1882. Its football mascot is the Wildcat, a term coined by a Chicago Tribune reporter in 1924, after reporting on a football game where the players appeared as "a wall of purple wildcats". Northwestern Football is also marketed as "Chicago's Big Ten Team" with its proximity and ties to Chicago.

The Big Ten Conference is the oldest Division I collegiate athletic conference in the United States. Founded as the Intercollegiate Conference of Faculty Representatives in 1896, it predates the founding of its regulating organization, the NCAA. It is based in the Chicago area in Rosemont, Illinois. For many decades the conference consisted of 10 prominent universities, which accounts for its name. As of 2014, it consists of 14 member institutions and 2 affiliate institutions, with 4 new member institutions scheduled to join in 2024. The conference competes in the NCAA Division I and its football teams compete in the Football Bowl Subdivision (FBS), formerly known as Division I-A, the highest level of NCAA competition in that sport.