1945 All-Ireland Senior Football Championship

The 1945 All-Ireland Senior Football Championship was the 59th staging of the All-Ireland Senior Football Championship, the Gaelic Athletic Association's premier inter-county Gaelic football tournament. It was played at venues all over Ireland from 29 April to 23 September 1945.

31 teams entered, with Kilkenny once again declining to field a team. Roscommon were the defending champions, however, they surrendered their title in their opening game, a Connacht semi-final defeat by Mayo.

The All-Ireland final was played on 23 September 1945 at Croke Park in Dublin, between Cork and Cavan, in what was their first ever meeting in a final. Cork won the match by 2-05 to 0-07 to claim their third championship title overall and a first title since 1911.

Connacht Senior Football Championship
Quarter-final

Semi-finals

Final

Leinster Senior Football Championship
Preliminary round

Quarter-finals

Semi-finals

Final

Munster Senior Football Championship
Quarter-finals

Semi-finals

Final

Ulster Senior Football Championship
Preliminary round

Quarter-finals

Semi-finals

Final

All-Ireland Senior Football Championship
Semi-finals

Final

Miscellaneous

 * Limerick beat Clare for the only time between 1909 and 1980.
 * Wexford win the Leinster final for the first time since 1925.
 * The attendance of 44,526 at Cavan-Wexford game was a new record for an All-Ireland semi-final.
 * Cork end their longest drought as All Ireland Champions with future Taoiseach, Jack Lynch among the team a 34 year wait at and end first since 1911.