2020 All-Ireland Senior Ladies' Football Championship

The 2020 All-Ireland Senior Ladies' Football Championship was the 47th edition of the Ladies' Gaelic Football Association's premier 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, and it was shortened, with no provincial championships taking place.

were the winners for the fourth year in a row.

Group stage
The 12 teams are drawn into four groups of three teams. Each team play each other team in its group once, earning three points for a win and one for a draw.

Knockout stage
The winners of each group compete in the All-Ireland semi-finals.

Fixtures and results
Group games took place between 30 October and 15 November 2020.

All-Ireland semi-finals
After the semi-final between Cork and Galway, LGFA president Marie Hickey criticised the Galway ladies for not vacating their dressing room in sufficient time to complete their warm-up, after they complained about being hurried into doing so.

Player of the Year
TG4 Senior Players' Player of the Year – Aimee Mackin

Miscellaneous statistics

 * Most goals by team in the season – 13 goals Colours of Armagh.svg
 * Most points by team in the season – 53 points Colours of Dublin.svg
 * Top scorer in a single game – Sarah Rowe (2,09) 15 points (Colours of Mayo.svg vs Colours of Tyrone.svg ) (Group 4 Round 2)
 * Widest winning margin – 25 points (Colours of Mayo.svg (4–17) vs (0–04) Colours of Tyrone.svg ) (Group 4 Round 2)
 * Most goals in a single match – 9 goals Colours of Tyrone.svg (3–13) vs (6–16) Colours of Armagh.svg  & Colours of Cavan.svg  (2–06) vs (7–09) Colours of Cork.svg
 * Most points in a single match – 30 points Colours of Cork.svg (2–17) vs (0–13) Colours of Galway.svg  (Semi-Final 2)
 * Most goals by one team in a match – 7 goals Colours of Cavan.svg (2–06) vs (7–09) Colours of Cork.svg  (Group 1 Round 3)
 * Highest aggregate score in a single match – 56 points Colours of Tyrone.svg (3–13) vs (6–16) Colours of Armagh.svg  (Group 4 Round 1)
 * Lowest aggregate score in a single match – 21 points Colours of Dublin.svg (1–10) vs (1–05) Colours of Cork.svg  (Final)