| 2001 NIFL season | |
|---|---|
| League | National Indoor Football League |
| Sport | indoor American football |
| Regular season | |
| Season champions | Mississippi Fire Dogs |
| Playoffs | |
| Atlantic champions | Mississippi Fire Dogs |
| Atlantic runners-up | Ohio Valley Greyhounds |
| Pacific champions | Wyoming Cavalry |
| Pacific runners-up | Sioux Falls Storm |
| Indoor Bowl I | |
| Champions | Mississippi Fire Dogs |
| Runners-up | Wyoming Cavalry |
The 2001 National Indoor Football League season was the first season of the National Indoor Football League (NIFL). The league champions were the Mississippi Fire Dogs, who defeated the Wyoming Cavalry in Indoor Bowl I.