1987 Cork Junior A Hurling Championship
The 1987 Cork Junior A Hurling Championship was the 90th staging of the Cork Junior A Hurling Championship since its establishment by the Cork County Board. The championship ran from 4 October to 1 November 1987.
The final was played on 1 November 1987 at Páirc Uí Chaoimh in Cork, between Cloyne and Ballincollig, in what was their first ever meeting in the final. Cloyne won the match by 6-08 to 3-06 to claim their third championship title overall and a first title in [1961 Cork (city)|Cork Junior Hurling Championship|26 years]. Cloyne were not officially confirmed as champions until three weeks later when they won the delayed East Cork JAHC title.
Cloyne's Ger Lewis was the championship's top scorer with 6-06.
Qualification
Championship statistics
Top scorers
;Overall| Rank | Player | County | Tally | Total | Matches | Average |
| 1 | Ger Lewis | Cloyne | 6-06 | 24 | 3 | 8.00 |
| 2 | Philip Cahill | Cloyne | 5-07 | 22 | 3 | 7.33 |
| 3 | Johnny O'Connor | Lismire | 1-16 | 19 | 2 | 9.50 |
| 4 | Declan Motherway | Cloyne | 2-02 | 8 | 3 | 2.66 |
| 4 | Denis O'Driscoll | Ballincollig | 1-05 | 8 | 2 | 4.00 |
| 4 | Joe Lewis | Cloyne | 0-08 | 8 | 3 | 2.66 |
;In a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Philip Cahill | Cloyne | 4-03 | 15 | Ballincollig |
| 2 | Johnny O'Connor | Lismire | 1-09 | 12 | Cloyne |
| 3 | Ger Lewis | Cloyne | 3-02 | 11 | Lismire |
| 4 | Ger Lewis | Cloyne | 2-02 | 8 | Glen Rovers |
| 5 | John Lyons | Tracton | 2-01 | 7 | Fermoy |
| 5 | Johnny O'Connor | Lismire | 0-07 | 7 | Barryroe |
| 7 | Denis O'Driscoll | Ballincollig | 1-03 | 6 | Cloyne |
| 8 | Peter Murphy | Tracton | 1-02 | 5 | Fermoy |
| 8 | Philip Cahill | Cloyne | 1-02 | 5 | Glen Rovers |
| 8 | Eddie Collins | Lismire | 1-02 | 5 | Barryroe |
| 8 | Ger Lewis | Cloyne | 1-02 | 5 | Ballincollig |
| 8 | Paul Kennefick | Glen Rovers | 0-05 | 5 | Cloyne |