The 2019 All-Ireland Under-20 Hurling Championship was the inaugural staging of the All-Ireland Under-20 Championship and the 56th staging overall of a hurling championship for players between the minor and senior grades. Prior to 2019 an All-Ireland Under-21 Championship was held. The championship began on 25 May 2019 and ended on 24 August 2019.
Tipperary were the defending champions and went on to retain the title.
On 24 August 2019, Tipperary won the championship following a 5-17 to 1-18 defeat of Cork in the All-Ireland final. This was their 11th All-Ireland title overall and their second title in succession.
Offaly's Cathal Kiely was the championship's top scorer with 0-44.
Play-off round 1
Play-off round 2
Quarter-finals
Semi-finals
Final
Quarter-final
Semi-finals
Final
Semi-finals
The Leinster champions play the Munster beaten finalists and the Munster champions play the Leinster beaten finalists.