The 2017 Ladies' National Football League, known for sponsorship reasons as the Lidl Ladies' National Football League, was a ladies' Gaelic football competition that took place from January to May 2017. Cork were the Division 1 champions for the fifth year in a row.
The 2017 Ladies' National Football League consists of four divisions of eight teams. Each team plays every other team in its division once. Three league points are awarded for a win and one for a draw.
If two teams are level on league points, the tie-break is -
If three or more teams are level on league points, rankings are determined solely by score difference.
The top four teams in Division 1 contest the Ladies' National Football League semi-finals (first plays fourth and second plays third).
The top four teams in divisions 2, 3 and 4 contest the semi-finals of their respective divisions. The division champions are promoted.
The last-placed teams in divisions 1, 2 and 3 are relegated.