Ulster Cup (cricket)
The O'Neills Ulster Cup is knock-out cricket competition in Ireland run jointly by the Northern Cricket Union and the North West Cricket Union. The top eight teams in the previous season’s NCU Premier League and North West Senior League 1 are eligible to take part. It is sponsored by O'Neills.
Matches are of 40 overs duration, but may be reduced to ten overs where delays or interruptions necessitate.
Waringstown are the current holders after they won the trophy for the first time beating Bready in the 2017 final
Brigade and Instonians are the most successful clubs in the competition with 4 wins each
List of finals
| Season | Winners | Runners-Up | Scores | Notes |
| 1999 | Instonians | |||
| 2000 | Lisburn | Donemana | ||
| 2001 | Brigade | Donemana | ||
| 2002 | North Down | Downpatrick | ||
| 2003 | Brigade | Limavady | ||
| 2004 | Donemana | Limavady | ||
| 2005 | Strabane | Ardmore | Strabane 124-4 ; Ardmore 102-9. Strabane won by 22 runs. | |
| 2006 | North Down | Limavady | ||
| 2007 | Instonians | North Down | North Down 206-5 ; Instonians 210-2. Instonians won by 8 wickets. | |
| 2008 | Limavady | Strabane | Limavady 170-8; Strabane 166-8. Limavady won by 4 runs. | |
| 2009 | Civil Service North | North Down | ||
| 2010 | Instonians | Limavady | Limavady 160 all out ; Instonians 161-6. Instonians won by 4 wickets. | - |
| 2011 | Instonians | North Down | Limavady 121 all out ; Instonians 127-6. Instonians won by 4 wickets. | - |
| 2012 | Brigade | Civil Service North of Ireland | Brigade won by 43 runs. | - |
| 2013 | Coleraine | Waringstown | Coleraine won by 35 runs. | - |
| 2014 | Bready | Waringstown | Bready 185-9 Waringstown 91 Bready won by 94 runs. | - |
| 2015 | North Down | Instonians | North Down 233-6 Instonians 120-4 North Down won by 10 runs . | - |
| 2016 | Brigade | Ardmore | Brigade 163 Ardmore 14-1 Brigade won 3-2 in a bowl-out. | |
| 2017 | Waringstown | Bready | Waringstown 158-7 Bready 79 Waringstown beat Bready by 79 runs. |