| Dates | 10 March 1991 – 7 April 1991 | ||
|---|---|---|---|
| Teams | 4 | ||
| Champions | Connacht (8th title) | ||
| Runners-up | Munster | ||
| Tournament statistics | |||
| Matches played | 3 | ||
| Goals scored | 6 (2 per match) | ||
| Points scored | 71 (23.67 per match) | ||
| Top scorer(s) |  Michael McGrath (1-06) | ||
| |||
The 1991 Railway Cup Hurling Championship was the 64th staging of the Railway Cup, the Gaelic Athletic Association's premier inter-provincial hurling tournament. The championship began on 10 March 1991 and ended on 7 April 1991.
Connacht were the defending champions.
On 7 April 1991, Connacht won the cup following a 1-13 to 0-12 defeat of Munster in the final.[1] This was their 8th Railway Cup title and their second in succession after winning the last cup title in 1989.
- ^ "Railway Cup Hurling". Munster GAA. Retrieved 10 April 2018.