| 1966 Cork Junior Football Championship | |
| Dates: | 9 October - 11 December 1966 |
| Teams: | 8 |
| Champions: | Dohenys |
| Count: | 2 |
| Champions Captain: | D. D. Lyons |
| Runners-Up: | Grange |
| Runners-Up Captain: | Tom Bermingham |
| Matches: | 9 |
| Goals: | 23 |
| Points: | 122 |
| Previous Year: | 1965 |
| Previous Tournament: | 1965 Cork Junior Football Championship |
| Next Year: | 1967 |
| Next Tournament: | 1967 Cork Junior Football Championship |
The 1966 Cork Junior Football Championship was the 68th staging of the Cork Junior A Football Championship since its establishment by Cork County Board in 1895. The championship ran from 9 October to 11 December 1966.
The final, which went to a replay, was played on 11 December 1966 at the Athletic Grounds in Cork, between Dohenys and Grange, in what was their first ever meeting in the final.[1] Dohenys won the match by 3-08 to 1-06 to claim their second championship title overall and a first title in 31 years.[2] [3]