The 2017 Leinster Senior Football Championship was the 2017 installment of the annual Leinster Senior Football Championship organised by Leinster GAA.
Dublin were the defending champions, having won their 55th title and completed a 6-in-a-row in 2016.
[1] The draw for the championship was made on 13 October 2016.
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.