The Indoor Football League (IFL) is a professional indoor American football league created in 2008 out of the merger between the Intense Football League and United Indoor Football. It has one of the largest number of currently active teams among indoor football leagues. The league has operated continuously under the same name and corporate structure longer than any other current indoor football league. With the closure of the Arena Football League in 2019, the IFL is the oldest active professional indoor football league in North America. As of 2022 season, the league consists of 14 teams in two conferences with each team playing 16 games over 19 weeks.