1978 Tipperary Senior Hurling Championship
The 1978 Tipperary Senior Hurling Championship was the 88th staging of the Tipperary Senior Hurling Championship since its establishment by the Tipperary County Board in 1887.
Kilruane MacDonaghs entered the championship as the defending champions.
On 15 October 1978, Kilruane MacDonaghs won the championship after a 2–14 to 2–13 defeat of Roscrea in the final at Semple Stadium. It was their second championship title overall and their second title in succession.
Championship statistics
Top scorers
;Overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Francis Loughnane | Roscrea | 1-26 | 29 | 3 | 9.66 |
| 2 | Séamus Hennessy | Kilruane MacDonaghs | 0-19 | 19 | 3 | 6.33 |
| 3 | Séamus Mackey | Holycross-Ballycahill | 2-09 | 15 | 2 | 7.50 |
| 4 | Tommy Butler | Drom-Inch | 2-05 | 11 | 2 | 5.50 |
| 4 | Jim Williams | Kilruane MacDonaghs | 2-05 | 11 | 3 | 3.66 |
| 6 | Seán O'Meara | Kilruane MacDonaghs | 3-01 | 10 | 3 | 3.33 |
| 7 | John Harkin | Drom-Inch | 1-06 | 9 | 2 | 4.50 |
| 8 | John Stone | Roscrea | 2-02 | 8 | 3 | 2.66 |
| 8 | Joe Tynan | Roscrea | 2-02 | 8 | 3 | 2.66 |
| 8 | Ger Doherty | Drom-Inch | 1-05 | 8 | 2 | 4.00 |
;In a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Francis Loughnane | Roscrea | 1-11 | 14 | Kilruane MacDonaghs |
| 2 | Séamus Hennessy | Kilruane MacDonaghs | 0-12 | 12 | Roscrea |
| 3 | Séamus Mackey | Holycross-Ballycahill | 2-05 | 11 | Fionn MacCumhaill |
| 4 | Francis Loughnane | Roscrea | 0-10 | 10 | Seán Treacys |
| 5 | Tommy Butler | Drom-Inch | 2-01 | 7 | Roscrea |
| 6 | Dinny Ryan | Seán Treacys | 2-00 | 6 | Roscrea |
| 6 | Pat O'Neill | Cappawhite | 1-03 | 6 | Kilruane MacDonaghs |
| 6 | Jim Kehoe | Carrick Swans | 1-03 | 6 | Drom-Inch |
| 6 | Tony Stakelum | Holycross-Ballycahill | 1-03 | 6 | Fionn MacCumhaill |
| 6 | Jim Williams | Kilruane MacDonaghs | 1-03 | 6 | Holycross-Ballycahill |
| 6 | Pat Quigley | Seán Treacys | 0-06 | 6 | Roscrea |