| Cavan u21 Football Championship | |
| First: | 1975 |
| Irish: | An Cabhán |
| Current: | Cavan Gaels |
| Currentordinal: | 4 |
| Super: | th |
| Most: | Ramor United |
| Mostordinal: | 5 |
The Cavan Under-21 Football Championship is an annual Gaelic Athletic Association club competition between Cavan Under-21 Gaelic football clubs. It was first competed for in 1975. Ramor United have won the most titles, having been victorious 5 times. 3 of these titles came when they amalgamated with Munterconnaught. The 2012 Under-21 football champions were Cavan Gaels.
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