| Code: | Hurling |
| Sport: | Hurling |
| Johnny O'Callaghan | |
| Irish: | Seánie Ó Ceallaicháin |
| County: | Cork |
| Province: | Munster |
| Club: | Ballyhea |
| Clcounty: | 0 |
| Counties: | Cork |
| Icposition: | Left wing-back |
| Icyears: | 1985-1986 |
| Icapps(Points): | 1 (0-00) |
| Icprovince: | 0 |
| Icallireland: | 0 |
| Nhl: | 0 |
| Allstars: | 0 |
| Icupdate: | 17:22, 23 May 2015 |
| Birth Date: | 1964 |
| Birth Place: | Ballyhea, County Cork, Ireland |
John "Johnny" O'Callaghan (born 1964) is an Irish retired hurler who played as a left wing-back for the Cork senior team.
Born in Ballyhea, County Cork, O'Callaghan first arrived on the inter-county scene at the age of seventeen when he first linked up with the Cork minor team before later joining the under-21 side. He joined the senior panel during the 1985 championship. O'Callaghan was largely an unused substitute during his career, however, he did win one All-Ireland medal and two Munster medals as a non-playing substitute.[1]
At club level O'Callaghan played with Ballyhea.
Throughout his career O'Callaghan made just one championship appearance. His retirement came following the conclusion of the 1986 championship.