Pat Hartnett (born 1 December 1962) is an Irish hurling selector, coach and former player.
Born in Midleton, County Cork, Hartnett first played competitive hurling at St. Colman's College in Fermoy.
Hartnett later lined out with University College Cork, winning a Fitzgibbon Cup medal in 1985.
Hartnett first appeared for the Midleton club at juvenile and underage levels, winning county under-21 championship medals.
Hartnett subsequently joined his brother, John, on the Cork senior team, making his debut during the 1984 championship.