National League Cup since 1986/87; the 2020/21 edition was not held.
| Season | Northern Irish League Cup winner | Runner-up | Trophy |
|---|---|---|---|
| 2026/27 | - | - The League Cup is in progress; the winner has not been decided. | — |
| 2025/26 | Linfield FC | Glentoran FC Final: 1-0. After extra time. |  |
| 2024/25 | Cliftonville FC | Glentoran FC Final: 1-0. After extra time. | |
| 2023/24 | Linfield FC | Portadown FC Final: 3-1. | |
| 2022/23 | Linfield FC | Coleraine FC Final: 2-0. | |
| 2021/22 | Cliftonville FC | Coleraine FC Final: 4-3. After extra time. | |
| 2020/21 | - | - The League Cup was not held. | — |
| 2019/20 | Coleraine FC | Crusaders FC Final: 2-1. | — |
| 2018/19 | Linfield FC | Ballymena United FC Final: 1-0. | — |
| 2017/18 | Dungannon Swifts FC | Ballymena United FC Final: 3-1. | — |
| 2016/17 | Ballymena United FC | Carrick Rangers FC Final: 2-0. | — |
| 2015/16 | Cliftonville FC | Ards FC Final: 3-0. | — |
| 2014/15 | Cliftonville FC | Ballymena United FC Final: 3-2. | — |
| 2013/14 | Cliftonville FC | Crusaders FC Final: 0-0. Penalties: 3-2. | — |
| 2012/13 | Cliftonville FC | Crusaders FC Final: 4-0. | — |
| 2011/12 Irish League Cup | Crusaders FC | Coleraine FC Final: 1-0. | — |
| 2010/11 Irish League Cup | Lisburn Distillery | Portadown FC Final: 2-1. | — |
| 2009/10 Irish League Cup | Glentoran FC | Coleraine FC Final: 2-2. Penalties: 4-1. | — |
| 2008/09 Irish League Cup | Portadown FC | Newry City Final: 1-0. | — |
| 2007/08 Irish League Cup | Linfield FC | Crusaders FC Final: 3-2. | — |
| 2006/07 Irish League Cup | Glentoran FC | Cliftonville FC Final: 1-0. | — |
| 2005/06 Irish League Cup | Linfield FC | Glentoran FC Final: 3-0. | — |
| 2004/05 Irish League Cup | Glentoran FC | Linfield FC Final: 2-1. | — |
| 2003/04 Irish League Cup | Cliftonville FC | Larne FC Final: 1-1. Penalties: 5-4. | — |
| 2002/03 Irish League Cup | Glentoran FC | Linfield FC Final: 2-0. | — |
| 2001/02 Irish League Cup | Linfield FC | Glentoran FC Final: 3-1. | — |
| 2000/01 Irish League Cup | Glentoran FC | Glenavon FC Final: 1-0. | — |
| 1999/00 Irish League Cup | Linfield FC | Coleraine FC Final: 4-0. | — |
| 1998/99 Irish League Cup | Linfield FC | Glentoran FC Final: 2-1. | — |
| 1997/98 Irish League Cup | Linfield FC | Glentoran FC Final: 1-0. | — |
| 1996/97 Irish League Cup | Crusaders FC | Glentoran FC Final: 1-0. | — |
| 1995/96 Irish League Cup | Portadown FC | Crusaders FC Final: 2-1. | — |
| 1994/95 Irish League Cup | Ards FC | Cliftonville FC Final: 0-0. Penalties: 2-0. | — |
| 1993/94 Irish League Cup | Linfield FC | Coleraine FC Final: 2-0. | — |
| 1992/93 Irish League Cup | Bangor FC | Coleraine FC Final: 3-0. | — |
| 1991/92 Irish League Cup | Linfield FC | Larne FC Final: 3-0. | — |
| 1990/91 Irish League Cup | Glentoran FC | Ards FC Final: 2-0. | — |
| 1989/90 Irish League Cup | Glenavon FC | Newry Town Final: 3-1. | — |
| 1988/89 Irish League Cup | Glentoran FC | Linfield FC Final: 2-1. | — |
| 1987/88 Irish League Cup | Coleraine FC | Portadown FC Final: 1-0. After extra time. | — |
| 1986/87 Irish League Cup | Linfield FC | Crusaders FC Final: 2-1. | — |
