| Teams | 7 | ||
|---|---|---|---|
| Champions |  Midleton (2nd title) | ||
| Runners-up |  Passage | ||
| |||
The 1945 Cork Junior Hurling Championship was the 48th staging of the Cork Junior Hurling Championship since its establishment by the Cork County Board in 1895. [1]
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The final was played on 16 December 1945 at the Athletic Grounds in Cork, between Midleton and Passage, in what was their first ever meeting in the final. [2] Midleton won the match by 3-06 to 3-03 to claim their second championship title overall and a first championship title in 28 years. [3]