The 2005 National Indoor Football League season was the fifth season of the National Indoor Football League (NIFL). The league champions were the Tri-Cities Fever, who defeated the Rome Renegades in Indoor Bowl V.
Standings
Green indicates clinched playoff berth
Purple indicates division champion
Grey indicates best conference record
*= Despite winning the division, the D.B. Hawgs were unable to play in the playoffs for using an illegal player in a game against the Rome Renegades.