1981 Cork Junior Hurling Championship
The 1981 Cork Junior Hurling Championship was the 84th staging of the Cork Junior Hurling Championship since its establishment by the Cork County Board. The championship ran from 27 September to 1 November 1981.
On 1 November 1981, Milford won the championship following a 1–10 to 0–11 defeat of St. Catherine's in the final. It remains their only championship title.
Christy Clancy was the championship's top scorer with 0-13.
Qualification
Results
Quarter-finals
Championship statistics
Top scorers
;Overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Christy Clancy | St. Catherine's | 0-13 | 13 | 3 | 4.33 |
| 2 | Justin McCarthy | Shamrocks | 1-07 | 10 | 2 | 5.00 |
| 3 | Ted Sheehan | Milford | 2-02 | 8 | 2 | 4.00 |
| 3 | Kieran White | Barryroe | 0-08 | 8 | 1 | 8.00 |
| 3 | Michael Mellerick | St. Catherine's | 0-08 | 8 | 3 | 2.66 |
;In a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Justin McCarthy | Shamrocks | 1-06 | 9 | Meelin |
| 2 | Kieran White | Barryroe | 0-08 | 8 | St. Finbarr's |
| 3 | John Mangan | St. Catherine's | 2-00 | 6 | Aghabullogue |
| 3 | Ger Hanley | Shamrocks | 1-03 | 6 | Meelin |
| 3 | Tony Mullins | St. Finbarr's | 1-03 | 6 | Barryroe |
| 3 | Christy Clancy | St. Catherine's | 0-06 | 6 | Milford |
| 7 | Ned Brosnan | Meelin | 1-02 | 5 | Shamrocks |
| 7 | Jack Brosnan | Meelin | 1-02 | 5 | Shamrocks |
| 7 | Bernie O'Connor | Meelin | 0-05 | 5 | Shamrocks |
| 7 | Mossy Fitzgibbon | Milford | 0-05 | 5 | St. Finbarr's |
Miscellaneous
- Bernie O'Connor had the unusual distinction of playing for Meelin while also serving as coach of Milford.