 | |
| Founded | 2020 |
|---|---|
| Number of teams | 27 |
| Level on pyramid | 3 |
| Domestic cup(s) | U.S. Open for Indoor Soccer |
| Current champions | Northern Virginia FC (3) (2023–24) |
| Website | www |
The Major Arena Soccer League 3 (MASL 3) is a North American indoor soccer league that serves as the developmental league of the Major Arena Soccer League and MASL 2.