The 2005-2006 season in Danish 2nd Division was divided in two groups. The two winners, Næstved BK and Aarhus Fremad, promoted to the Danish 1st Division 2006-07, together with the winner of a promotion game, Thisted FC, between the two runners-up.
Second squad teams can not promote, or play promotion game.
The two runners-up will play promotion game on home and away basis.