John E. Worthen Arena is an arena on the campus of Ball State University in Muncie, Indiana, United States.

The arena mainly serves as home to four Ball State Cardinals athletic teams: men's and women's basketball and men's and women's volleyball.

The seating capacity is listed at 11,500 people[4] and cost $7.8 million to build.

Worthen Arena is also the site of other events, including concerts (seating capacity 11,500[4] end-stage, 8,800 270 degree end-stage, 7,200 180-degree end-stage, and 5,500 half-house), trade shows (18,700 square feet (1,740 m2) of space on the arena floor) and other special events.

It features eight permanent and six portable concession stands, two permanent souvenir stands, a press room, two loading docks, and an arena lounge.