1990 Tipperary Senior Hurling Championship
The 1990 Tipperary Senior Hurling Championship was the 100th staging of the Tipperary Senior Hurling Championship since its establishment by the Tipperary County Board in 1887. The championship began on 15 September 1990 and ended on 14 October 1990.
Clonoulty-Rossmore were the defending champions, however, they were defeated by Kilruane MacDomaghs at the quarter-final stage.
On 14 October 1990, Holycross-Ballycahill won the title after a 0–13 to 0–10 defeat of Cashel King Cormacs in the final at Semple Stadium. It was their fourth championship title overall and their first title since 1954. It remains their last championship title.
Holycross-Ballycahill's Stephen Dwan was the championship's top scorer with 2-20.
Participating teams
Championship statistics
Top scorers
;Top scorer overall| Rank | Player | Club | Tally | Total | Matches | Average |
| 1 | Stephen Dwan | Holycross-Ballycahill | 2-20 | 26 | 4 | 6.50 |
| 2 | Tommy Grogan | Cashel King Cormacs | 0-22 | 22 | 3 | 7.33 |
| 3 | Declan Carr | Holycross-Ballycahill | 1-15 | 18 | 4 | 4.50 |
| 4 | Ger Williams | Kilruane MacDonaghs | 0-16 | 16 | 3 | 5.33 |
| 5 | Philip Quinlan | Kilruane MacDonaghs | 3-01 | 10 | 3 | 3.33 |
| 5 | Tom McGrath | Loughmore-Castleiney | 0-10 | 10 | 3 | 3.33 |
| 5 | Tony Lanigan | Holycross-Ballycahill | 0-10 | 10 | 4 | 2.50 |
| 8 | Pat McGrath | Loughmore-Castleiney | 0-08 | 8 | 2 | 4.00 |
| 9 | Paul Slattery | Holycross-Ballycahill | 1-04 | 7 | 4 | 1.75 |
| 10 | Christy Devitt | Killenaule | 2-00 | 6 | 1 | 6.00 |
;Top scorers in a single game
| Rank | Player | Club | Tally | Total | Opposition |
| 1 | Stephen Dwan | Holycross-Ballycahill | 2-05 | 11 | Killenaule |
| 1 | Tommy Grogan | Cashel King Cormacs | 0-11 | 11 | Toomevara |
| 3 | Declan Carr | Holycross-Ballycahill | 1-07 | 10 | Killenaule |
| 3 | Tom McGrath | Loughmore-Castleiney | 0-10 | 10 | Carrick Swans |
| 5 | Stephen Dwan | Holycross-Ballycahill | 0-09 | 9 | Kilruane MacDonaghs |
| 6 | Christy Devitt | Killenaule | 2-00 | 6 | Holycross-Ballycahill |
| 6 | Ger Williams | Kilruane MacDonaghs | 0-06 | 6 | Holycross-Ballycahill |
| 6 | Ger Williams | Kilruane MacDonaghs | 0-06 | 6 | Holycross-Ballycahill |
| 6 | Tommy Grogan | Cashel King Cormacs | 0-06 | 6 | Holycross-Ballycahill |
| 10 | Paul Slattery | Holycross-Ballycahill | 1-02 | 5 | Killenaule |
| 10 | John O'Dwyer | Killenaule | 1-02 | 5 | Holycross-Ballycahill |
| 10 | Tony Shelly | Killenaule | 0-05 | 5 | Holycross-Ballycahill |
| 10 | Pat McGrath | Loughmore-Castleiney | 0-05 | 5 | Carrick Swans |
| 10 | Seán Cronin | Carrick Swans | 0-05 | 5 | Loughmore-Castleiney |
| 10 | Tommy Grogan | Cashel King Cormacs | 0-05 | 5 | Loughmore-Castleiney |
| 10 | Declan Carr | Holycross-Ballycahill | 0-05 | 5 | Kilruane MacDonaghs |