| Leinster Senior Cup [1] | |
| Year: | 2013–14 |
| Other Title: | Leinster Football Association Senior Cup |
| Country: | Republic of Ireland |
| Num Teams: | 31 |
| Champions: | St Patrick's Athletic (8th title) |
| Runner-Up: | Longford Town |
| Matches: | 30 |
| Prevseason: | 2012–13 |
| Nextseason: | 2014–15 |
The 2013–14 Leinster Senior Cup, was the 113th staging of the Leinster Senior Cup association football competition.
31 teams entered the 2013–14 competition including the 11 Leinster based League of Ireland teams who entered the competition at the Fourth round stage. A further 5 Intermediate teams and 15 Junior teams entered the competition at the First, Second and Third Round stage.
Shamrock Rovers were the defending champions. The previous season's runners up, St Patrick's Athletic won the tournament in 2014, beating Longford Town 2–1 in the final at City Calling Stadium on 9 September 2014.[2]
14 Junior clubs were entered into this round by a draw. Byes were given to 6 of these clubs. Winners progress to the Second Round.
The 6 Junior clubs who received byes in Round One play against the 4 Round One winners.
5 Intermediate clubs entered in this round in an open draw along with the 5 Second Round winners.
The 11 Leinster based League of Ireland clubs enter in this round in an open draw along with the 5 Third Round winners.