The 2018 National Camogie League, known for sponsorship reasons as the Littlewoods Ireland Camogie Leagues, commenced in January 2018 and was won by Kilkenny.
3 points are awarded for a win and 1 for a draw.
The top two teams in each group in Division 1 contest the National Camogie League semi-finals.
The last-placed team in each group contest the relegation playoff.
The last-placed team in each group contest the relegation playoff.