1991–92 Lancashire Cup
| 1991–92 Lancashire Cup | |
|---|---|
| Structure | Regional knockout championship |
| Teams | 17 |
| Winners | St Helens |
| Runners-up | Rochdale Hornets |
The 1991–92 Lancashire Cup was the 79th occasion on which the Lancashire Cup competition had been held. St Helens won the trophy by beating Rochdale Hornets by the score of 24–14 in the final.