2023–24 Northern Ireland Football League Cup
| BetMcLean League Cup | |
|---|---|
| Tournament details | |
| Country | Northern Ireland |
| Dates | 19 Aug 2023 – 10 Mar 2024 |
| Teams | 38 |
| Defending champions | Linfield |
| Final positions | |
| Champions | Linfield (12th title) |
| Runners-up | Portadown |
| Tournament statistics | |
| Matches played | 37 |
| Goals scored | 136 (3.68 per match) |
The 2023–24 Northern Ireland Football League Cup (known as the BetMcLean Cup for sponsorship purposes) was the 37th edition of Northern Ireland's football knockout cup competition for national league clubs, and the ninth edition of the competition as the Northern Ireland Football League Cup. The competition was contested by the 38 member clubs of the Northern Ireland Football League, commencing on 19 August 2023 with the preliminary round and concluding with the final on 10 March 2024. The competition was sponsored by McLean Bookmakers, the title sponsors of the cup since the 2017–18 season.
Linfield were the defending champions after defeating Coleraine 2–0 in the 2023 final to win the competition for a record 11th time. This season, Linfield successfully retained the cup following a 3–1 victory over second-tier side Portadown in the final. This was Linfield's 12th League Cup win, further extending their record.