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 draw for the preliminary rounds and quarter-finals took place on 20 April 2021.[3] The draw for the semi-finals took place on 4 July 2021, after the completion of the quarter-final ties.[4]
Cian Farrell 0-7 (0-3f), Niall McNamee 1-3, Peter Cunningham 1-1, Bernard Allen 1-0, Paddy Dunican 0-2 (0-1f, 1 '45), Niall Darby, Jordan Hayes, Ruairi McNamee, Bill Carroll, Eoin Carroll, Mark Abbott 0-1 each
Robbie Smyth and Rian Brady 0-5 each, Darren Gallagher 0-4 (0-3f), Dessie Reynolds, David McGivney, Joseph Hagan 0-2 each, Patrick Fox, Michael Quinn, Kevin Diffley, Donal McElligott, Dylan Farrell 0-1 each
Lorcan Dolan 1-3 (0-1f), Ger Egan and John Heslin (0-3f) 0-5 each, Denis Corroon 1-1, David Lynch 1-0, Ronan O'Toole 0-3, James Dolan, Darren Giles, Tommy McDaniel 0-1 each
David McGivney (0-3f) and Rian Brady (0-1f) 0-3 each, Kevin Diffley, Darren Gallagher (0-1f), Dessie Reynolds, Robbie Smyth (0-1f), Joseph Hagan (0-1m), Darragh Doherty 0-1 each
Matthew Costello 1-2 (0-1f), Jordan Morris 0-3 (0-1), Eamonn Wallace and Joey Wallace 0-2 each, Cillian O'Sullivan, Bryan McMahon, James McEntee (1 '45), Thomas O'Reilly (0-1f) 0-1 each