Cornelius Lucy (6 February 1899 - 14 July 1929) was an Irish hurler and Gaelic footballer.
His championship career with the Cork senior teams lasted from 1916 until 1922.
Lucy first played competitive inter-county football at the age of seventeen when he was selected for the Cork senior team.
He made his debut during the 1916 championship and won a Munster medal in his first season.
Lucy later joined the Cork senior hurling team and won an All-Ireland medal in 1919.