Thirty-one Gaelic football county teams from the island of Ireland, plus London, participated.

TG4 and Setanta provided live coverage of the league with highlights shown on RTÉ2 on Sunday nights.

Dublin won their third title in a row and twelfth in total after a 1–21 to 2–07 win against Cork in the final on 26 April at Croke Park.

[1][2][3] The 2015 format of the National Football League was a system of four divisions of eight teams.

2Westmeath are placed ahead of Kildare because they won the head-to-head game between the teams (0-15 to 0-12).