The Southern Indoor Football League was a football league in the Southern United States. The league only lasted three seasons. It folded in 2011, and many of its teams went to either the Lone Star Football League or the Professional Indoor Football League.
Teams:[]
- Acadiana Mudbugs (2009)
- Austin Turfcats (2009)
- Houma Conquerors (2009)
- Louisiana Swashbucklers (2009-2011)
- Texas Hurricanes (2009)
- Albany Panthers (2010-2011)
- Columbus Lions (2010-2011)
- Greenville Force (2010)
- Lafayette Wildcatters (2010)
- Abilene Ruff Riders (2011)
- Alabama Hammers (2011)
- Carolina Speed (2011)
- Corpus Christi Hammerheads (2011)
- Erie Explosion (2011)
- Fayetteville Force (SIFL) (2011)
- Harrisburg Stampede (2011)
- Houston Stallions (2011)
- Mobile Bay Tarpons (2011)
- Richmond Raiders (2011)
- Rio Grande Valley Magic (2011)
- Trenton Steel (2011)