The 2005 National Football League, known for sponsorship reasons as the Allianz National Football League, was the 74th staging of the National Football League (NFL), an annual Gaelic football tournament for the Gaelic Athletic Association county teams of Ireland. Armagh beat Wexford in the final to win their first title after losing three previous finals. Division 2 was won by Monaghan who beat Meath in the final.