John Hartnett (born 1960 in Midleton, County Cork) is a former Irish sportsperson.
He played hurling with his local club Midleton and was a member of the Cork senior inter-county team from 1983 until 1984.
He contributed to Cork's victory in the Centenary Cup in 1984.
[1] Partial Reference: Cork GAA website Inter-County SHC Results and Teams.
This Cork hurling biographical article is a stub.