The 2019 Leinster Senior Football Championship is the 2019 installment of the annual Leinster Senior Football Championship organised by Leinster GAA.
[1] The Leinster championship was contested by 11 of the 12 county teams in Leinster, a province of Ireland.
Kilkenny was the only county team not to compete.
The four teams who won the quarter-finals in the previous year were given byes to this year's quarter-finals.
Six of the seven remaining teams play-off in the first round with the seventh team also receiving a bye to the quarter-finals.