The All-Ireland Senior Hurling Championship of 1972 was run on a provincial basis as usual. It was aknockout tournament with pairings drawn at random in the respective provinces – there were noseeds.
Each match was played as a single leg. If a match was drawn there was a replay. If that match ended in a draw a period ofextra time was played, however, if both sides were still level at the end of extra time another replay had to take place.
Quarter-final: (1 match) This was a single match between the first two teams drawn from the province of Munster.
Semi-finals: (2 matches) The winner of the lone quarter-final joined the other three Munster teams to make up the semi-final pairings.
Final: (1 match) The winner of the two semi-finals contested this game.
Leinster Championship
First Round: (1 match) This was a single match between two of the 'weaker' teams drawn from the province of Leinster.
Quarter-finals: (2 matches) The winner of the first round game joined three other Leinster teams to make up the quarter-final pairings.
Semi-finals: (2 matches) The winners of the two quarter-finals joined Kilkenny and Wexford, who received a bye to this stage, to make up the semi-final pairings.
Final: (1 match) The winner of the two semi-finals contested this game.
All-Ireland Championship
Quarter-final: (1 match) This was a single match between Antrim and Galway, two teams who faced no competition in their respective provinces.
Semi-finals: (2 matches) The winner of the lone quarter-final joined London and the Munster and Leinster champions to make up the quarter-final pairings. The provincial champions were drawn in opposite semi-finals.
Final: (1 match) The winner of the two semi-finals contested this game.
S. O'Leary (3–0), C. McCarthy (1–4), D. Collins (1–3), J. McCarthy (0–6), R. Cummins (1–1), P. Hegarty (1–0), M. Malone (0–2), C. Roche (0–2), S. Looney (0–1), T. O'Brien (0–1).
R. Cashin (0–6), T. Connolly (1–1), F. Canning (0–2), P. McDermott (0–1), M. Connors (0–1), A. Smith (0–1).
E. Keher (2–9), L. O'Brien (0–5), F. Cummins (1–0), P. Delaney (0–3), K. Purcell (0–2), M. Crotty (0–2), P. Henderson (0–1), J. Kinsella (0–1), M. Murphy (0–1).
R. Cummins (2–3), M. Malone (2–1), S. O'Leary (1–1), C. McCarthy (0–4), C. Roche (0–2).