| 2003 Cork Junior A Hurling Championship | |
| Dates: | 21 September – 16 November 2003 |
| Teams: | 7 |
| Sponsor: | TSB Bank |
| Champions: | Dromina |
| Count: | 1 |
| Champions Captain: | Donal O'Shaughnessy |
| Champions Manager: | Simon Morrissey |
| Runners-Up: | Argideen Rangers |
| Runners-Up Captain: | Michael Walsh |
| Matches: | 7 |
| Goals: | 15 |
| Points: | 150 |
| Top Scorer: | Martin Finn (1-23) |
| Previous Year: | 2002 |
| Previous Tournament: | 2002 Cork Junior Hurling Championship |
| Next Year: | 2004 |
| Next Tournament: | 2004 Cork Junior Hurling Championship |
The 2003 Cork Junior A Hurling Championship was the 106th staging of the Cork Junior A Hurling Championship since its establishment by the Cork County Board in 1895. The championship began on 21 September 2003 and ended on 16 November 2003.
On 16 November 2003, Dromina won the championship following a 2-13 to 0-9 defeat of Argideen Rangers in the final.[1] This was their first championship title in the grade.
Dromina's Martin Finn was the championship's top scorer with 1-23.
| Rank | Player | Club | Tally | Total | Matches | Average | |
|---|---|---|---|---|---|---|---|
| 1 | Martin Finn | Dromina | 1-23 | 26 | 3 | 8.66 | |
| 2 | Michael Walsh | Argideen Rangers | 3-11 | 20 | 4 | 5.00 | |
| 3 | Diarmuid Dorgan | Grenagh | 0-16 | 16 | 3 | 5.33 |
| Rank | Player | Club | Tally | Total | Opposition |
|---|---|---|---|---|---|
| 1 | Martin Finn | Dromina | 1-08 | 11 | Kanturk |
| 2 | Michael Walsh | Argideen Rangers | 2-04 | 10 | Grenagh |
| 3 | Enda Kiely | Blackrock | 1-06 | 9 | Argideen Rangers |
| 4 | Martin Finn | Dromina | 0-08 | 8 | Watergrasshill |
| 5 | Michael O'Rourke | Argideen Rangers | 2-01 | 7 | Blackrock |
| Diarmuid Dorgan | Grenagh | 0-07 | 7 | Argideen Rangers | |
| Martin Finn | Dromina | 0-07 | 7 | Argideen Rangers |