| Code: | Hurling |
| Sport: | Hurling |
| John Hartnett | |
| Irish: | Seán Ó hAirtnéada |
| Fullname: | John Hartnett |
| County: | Cork |
| Province: | Munster |
| Club: | Midleton |
| Clposition: | Forward |
| Clcounty: | 4 |
| Clprovince: | 2 |
| Clallireland: | 1 |
| Counties: | Cork |
| Icposition: | Centre-forward |
| Icyears: | 1984-1986 |
| Icapps(Points): | 3 (0-00) |
| Icprovince: | 2 |
| Icallireland: | 1 |
| Nhl: | 0 |
| Allstars: | 0 |
| Birth Date: | 1960 |
| Birth Place: | Midleton, County Cork, Ireland |
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]