Ryan Field is the name of two stadiums in the central United States, located in Evanston, Illinois, a suburb north of Chicago near the campus of Northwestern University. Both the current and former stadiums's primary use is American football, and, aside from a brief construction period in 2024 and 2025, serve as the home field of the Northwestern Wildcat…Ryan Field is the name of two stadiums in the central United States, located in Evanston, Illinois, a suburb north of Chicago near the campus of Northwestern University. Both the current and former stadiums's primary use is American football, and, aside from a brief construction period in 2024 and 2025, serve as the home field of the Northwestern Wildcats of the Big Ten Conference.