2005 National Indoor Football League season

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
*= 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.
 * Green indicates clinched playoff berth
 * Purple indicates division champion
 * Grey indicates best conference record

Semifinals
Atlantic Conference
 * Rome 51, 3-Cincinnati 41

Pacific Conference
 * Tri-Cities 41, Odessa 39

Indoor Bowl V

 * Tri-Cities 47, Rome 31