| 1973 Limerick Senior Hurling Championship | |
| Champions: | Kilmallock |
| Count: | 3 |
| Previous Year: | 1972 |
| Previous Tournament: | 1972 Limerick Senior Hurling Championship |
| Next Year: | 1974 |
| Next Tournament: | 1974 Limerick Senior Hurling Championship |
The 1973 Limerick Senior Hurling Championship was the 79th staging of the Limerick Senior Hurling Championship since its establishment by the Limerick County Board.
South Liberties were the defending champions.
On 25 November 1973, Kilmallock won the championship after a 2–12 to 2–04 defeat of Killeedy in the final.[1] It was their third championship title overall and their first championship title since 1967.