| 1890 Limerick Senior Hurling Championship | |
| Champions: | South Liberties |
| Count: | 3 |
| Runners-Up: | Kilfinane |
| Previous Year: | 1889 |
| Previous Tournament: | 1889 Limerick Senior Hurling Championship |
| Next Year: | 1891 |
| Next Tournament: | 1891 Limerick Senior Hurling Championship |
The 1890 Limerick Senior Hurling Championship was the fourth staging of the Limerick Senior Hurling Championship since its establishment by the Limerick County Board in 1887.
South Liberties were the defending champions.
South Liberties won the championship after a 0–01 to 0–00 defeat of Kilfinane in the final.[1] It was their third championship title overall and their third title in succession.