The 2020 All-Ireland Intermediate Ladies' Football Championship was the 23rd contested edition of the Ladies' Gaelic Football Association's secondary inter-county Ladies' Gaelic football tournament.

The impact of the COVID-19 pandemic on Gaelic games forced the delay of the tournament until late in the year.

[3][4][5] Meath LGFA were the winners for the first time in their history and were promoted to the All-Ireland Senior Ladies' Football Championship in 2021.

Each team played the other team's in their group once, earning three points for a win and one for a draw.

[9] The winners of each group competed in the All-Ireland semi-finals.