Denis Heaslip (May 1933 – 25 November 2020) was an Irish hurler who played as a right wing-forward for the Kilkenny senior team. Born in Knocktopher, County Kilkenny, Heaslip first arrived on the inter-county scene when he first linked up with the Kilkenny senior team, making his debut in the 1957 championship. During his career Heaslip won two All-Ireland medals, three Leinster medals and one National Hurling League medal. He was an All-Ireland runner-up on two occasions. His retirement came following Kilkenny's defeat by Tipperary in the 1964 All-Ireland final.