The 2005 AF2 season was the sixth season of the AF2. It was preceded by 2004 and succeeded by 2006. The league champions were the Memphis Xplorers, who defeated the Louisville Fire in ArenaCup VI.
ArenaCup VI was the 2005 edition of the AF2's championship game, in which the National Conference Champions Memphis Xplorers defeated the American Conference Champions Louisville Fire in Bossier City, Louisiana by a score of 63 to 41.