The Illinois Fighting Illini men's basketball team is an NCAA Division I college basketball team competing in the Big Ten Conference, that represent the University of Illinois Urbana-Champaign. Home games are played at the State Farm Center, located on the University of Illinois Urbana-Champaign's campus in Champaign. Illinois has one pre-tournament national championship and one non-NCAA tournament national championship in 1915 and 1943, awarded by the Premo-Porretta Power Poll. Illinois has appeared in the NCAA Division I men's basketball tournament 34 times, and has competed in 5 Final Fours, 10 Elite Eights, and has won 18 Big Ten regular season championships, and 4 Big Ten Tournament Championships.

The State Farm Center is a large dome-shaped 15,544-seat indoor arena located in Champaign, Illinois, owned and operated by the University of Illinois Urbana-Champaign. The arena hosts games for the Illinois Fighting Illini men's basketball, women's basketball, and wrestling teams. It also doubles as a performance and event center, and is one of the largest venues between Chicago and St. Louis. It opened in 1963 and was known until 2013 as Assembly Hall until State Farm Insurance acquired naming rights as part of a major renovation project.