2011 All-Ireland Senior Ladies' Football Championship

The 2011 All-Ireland Senior Ladies' Football Championship was the 38th edition of the Ladies' Gaelic Football Association's premier inter-county Ladies' Gaelic football tournament. It was known for sponsorship reasons as the TG4 All-Ireland Senior Ladies' Football Championship.

were the winners, defeating Monaghan in the final.

Structure

 * Sixteen teams compete.
 * The top four teams from 2010 receive byes to the quarter-finals.
 * The quarter-finalists from 2010 receive byes to the second round.
 * The other eight teams play in the first round.
 * All games are knockout matches, drawn games being replayed.
 * The first-round losers playoff, with one team being relegated to the intermediate championship for 2012. Teams must spend two years as a senior team before they are eligible for relegation; teams that have not done so are exempt from relegation.