2004 Waterford Senior Hurling Championship
The 2004 Waterford Senior Hurling Championship was the 104th staging of the Waterford Senior Hurling Championship since its establishment by the Waterford County Board in 1897. The draw for the opening round fixtures took place on 26 January 2004. The championship began on 2 May 2004 and ended on 4 December 2004.
Mount Sion were the defending champions.
On 10 October 2004, Mount Sion won the championship after a 4–14 to 4–07 defeat of Ballygunner in the final at Walsh Park. It was their 34th championship title overall and their third title in succession.
Lismore's Dave Bennett was the championship's top scorer with 4–52.
Team changes
To Championship
Promoted from the Waterford Intermediate Hurling ChampionshipFrom Championship
Relegated to the Waterford Intermediate Hurling ChampionshipChampionship statistics
Top scorers
;Top scorers overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Dave Bennett | Lismore | 4–52 | 64 | 7 | 9.14 |
| 2 | Brendan Hannon | Ballyduff Upper | 3–27 | 36 | 5 | 7.20 |
| 3 | Séamus Prendergast | Ardmore | 1–31 | 34 | 5 | 6.80 |
| 4 | Paul Flynn | Ballygunner | 4–19 | 31 | 3 | 10.33 |
| 5 | Paul Kearney | Tallow | 1–26 | 29 | 4 | 7.25 |
| 6 | Dan Shanahan | Lismore | 3–14 | 23 | 7 | 3.28 |
| 6 | Eoin Kelly | Mount Sion | 2–17 | 23 | 4 | 5.75 |
;Top scorers in a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Dave Bennett | Lismore | 1–10 | 13 | Ballygunner |
| 2 | Dave Bennett | Lismore | 2–06 | 12 | Stradbally |
| 2 | Eoin Kelly | Mount Sion | 1–09 | 12 | Comeragh Gaels |
| 2 | Willie Ryan | Waterford IT | 1–09 | 12 | Tallow |
| 2 | Séamus Prendergast | Ardmore | 0–12 | 12 | Lismore |
| 2 | Dave Bennett | Lismore | 0–12 | 12 | Roanmore |
| 3 | Paul Flynn | Ballygunner | 2–05 | 11 | Ardmore |
| 3 | Pat Walsh | Fourmilewater | 1–08 | 11 | BAllyduff Upper |
| 3 | Paul Flynn | Ballygunner | 1–08 | 11 | Lismore |
| 3 | Brendan Hannon | BAllyduff Upper | 0–11 | 11 | Fourmilewater |