The 2021 Ladies' National Football League, known for sponsorship reasons as the Lidl Ladies' National Football League, is a ladies' Gaelic football competition taking place in summer 2021. Division placings were the same as for the 2020 competition, which was unfinished due to the COVID-19 pandemic. Revised fixtures were announced on 6 April 2021, with the tournament taking place in late May and June. Dublin were the winners.