David Treacy (born 21 November 1989) is an Irish hurler who plays as a right wing-forward for the Dublin senior team. Born in Glenageary, Treacy first played competitive hurling with the amalgamated Dublin Colleges team, winning an All-Ireland medal in 2006. He simultaneously came to prominence at juvenile and underage levels with the Cuala club, winning under-21 championship medals as a dual player. Treacy subsequently joined the Cuala senior team and has enjoyed much success, culminating with the winning of an All-Ireland medal in 2017. He has also won two Leinster medals and three county championship medals.