The Fleet Farm Arena, formerly Gateway Arena, is a multi-purpose arena inside Tyson Events Center, located in Sioux City, Iowa and sponsored by Tyson Foods and Fleet Farm.

The arena has three spectator levels: one suite level and two general seating levels named the 100 level and the 200 level, respectively. Its official maximum capacity is 10,000.

It is home to the Sioux City Musketeers of the United States Hockey League (USHL) and the Sioux City Bandits of Champions Indoor Football (CIF).