1903 All-Ireland Senior Hurling Championship

The All-Ireland Senior Hurling Championship 1903 was the 17th series of the All-Ireland Senior Hurling Championship, Ireland's premier hurling knock-out competition. Cork won the championship, beating London 3–16 to 1–1 in the final.

Format
All-Ireland Championship

Semi-final: (2 matches) The four provincial representatives make up the semi-final pairings. Two teams are eliminated at this stage while the two winning teams advance to the home final.

Home final: (1 match) The winners of the two semi-finals contest this game. One team is eliminated while the winning team advances to the final.

Final: (1 match) The winners of the home final and London, who receive a bye to this stage of the championship, contest this game. The winners are declared All-Ireland champions.

Leinster Senior Hurling Championship
Kilkenny made an objection against the Dublin goal, and were awarded the title without the need for a replay.

Miscellaneous

 * Cork win their 6th All-Ireland title to draw level with Tipperary at the top of the all-time roll of honour.