The 2010 Bord Gáis Energy GAA Hurling All-Ireland Under-21 Championship was the 47th staging of Ireland's hurling knock-out competition for players aged between 18 and 21. The final was held at Semple Stadium, Thurles on 11 September 2010. Tipperary won the game by 5-22 to 0-12 against Galway to claim their ninth title.