| 2003 AF2 season | |
|---|---|
| League | AF2 |
| Sport | Arena football |
| Regular season | |
| Season champions | Quad City Steamwheelers |
| Playoffs | |
| American champions | Macon Knights |
| American runners-up | Tennessee Valley Vipers |
| National champions | Tulsa Talons |
| National runners-up | Arkansas Twisters |
| ArenaCup IV | |
| Champions | Tulsa Talons |
| Runners-up | Macon Knights |
The 2003 AF2 season was the fourth season of the AF2. It was preceded by 2002 and succeeded by 2004. The league champions were the Tulsa Talons, who defeated the Macon Knights in ArenaCup IV. For the first time ever, AF2 uses the six-division alignment (three divisions per conference).