| Teams | 7 | ||
|---|---|---|---|
| Champions |  Ballymartle (2nd title) | ||
| Runners-up |  Grenagh | ||
| 
 | |||
The 1958 Cork Junior Hurling Championship was the 61st staging of the Cork Junior Hurling Championship since its establishment by the Cork County Board in 1895. [1]
The final, a replay, was played on 7 December 1958 at the Athletic Grounds in Cork, between Ballymartle and Grenagh, in what was their first ever meeting in the final. [2] Ballymartle won the match by 8-10 to 2-01 to claim a second championship title overall and a first championship title in six years. [3] [4] [5]
| 23 November 1958Final | Ballymartle | 1-07 - 2-04 | Grenagh | Cork Athletic Grounds | 
| 7 December 1958Final replay | Ballymartle | 8-10 - 2-01 | Grenagh | Cork Athletic Grounds |