Welsh–Ryan Arena is a 7,039-seat multi-purpose arena in Evanston, Illinois, United States, near the campus of Northwestern University. It is home to four Northwestern Wildcats athletic teams: men's basketball, women's basketball, women's volleyball, and wrestling. It is located inside McGaw Memorial Hall, to the north of Ryan Field.

The Northwestern Wildcats are the athletic teams that represent Northwestern University, located in Evanston, Illinois. Northwestern is a founding member of the Big Ten Conference and the only private university in the conference. Northwestern has eight men's and eleven women's NCAA Division I sports teams and is marketed as "Chicago's Big Ten Team". The mascot is Willie the Wildcat.