Major League Indoor Soccer
| Founded | August 2022 | 
|---|---|
| Country | United States | 
| Website | www | 
Major League Indoor Soccer (MLIS) is an indoor soccer league that began play in 2022 and based in the United States.
On August 18, 2022, Chicago (Mustangs), Cleveland (Crunch) and Grand Rapids (Rapid City FC) were announced as charter teams.
On March 12, 2024, the league announced a partner women's league to begin play in 2024–25 season.
On March 29, 2024, the league announced a merger with the National Indoor Soccer League, keeping the Major League Indoor Soccer name.