| 1945 Railway Cup | |
| Dates: | 11 February – 17 March 1945 |
| Teams: | Connacht Leinster Munster Ulster |
| Champions: | Munster |
| Count: | 13 |
| Matches: | 4 |
| Goals: | 24 |
| Points: | 37 |
| Top Scorer: | Mick Mackey (3-06) |
| Previous Year: | 1944 |
| Previous Tournament: | 1944 Railway Cup Hurling Championship |
| Next Year: | 1946 |
| Next Tournament: | 1946 Railway Cup Hurling Championship |
The 1945 Railway Cup Hurling Championship was the 19th series of the inter-provincial hurling Railway Cup. Four matches were played between 11 February and 17 March 1945. It was contested by Connacht, Leinster, Munster and Ulster.
Munster entered the championship as the defending champions.
On 17 March 1945, Munster won the Railway Cup after a 6-08 to 2-00 defeat of Ulster in the final at Croke Park, Dublin. This was their 13th title over all and their fourth title in succession.
Munster's Mick Mackey was the Railway Cup top scorer with 3-06.
Semi-finals
Final
| Rank | Player | County | Tally | Total | Matches | Average | |
|---|---|---|---|---|---|---|---|
| 1 | Mick Mackey | Munster | 3-06 | 15 | 3 | 5.00 | |
| 2 | Josie Gallagher | Conancht | 2-08 | 14 | 2 | 7.00 | |
| 3 | Johnny Quirke | Munster | 3-02 | 11 | 3 | 3.66 |
| Rank | Player | County | Tally | Total | Opposition | |
|---|---|---|---|---|---|---|
| 1 | Josie Gallagher | Connacht | 2-04 | 10 | Munster | |
| 2 | Johnny Quirke | Munster | 2-02 | 8 | Connacht | |
| 3 | T. Molloy | Connacht | 2-01 | 7 | Munster |