The Ayrshire Junior Cup is contested by the member clubs of the SJFA West Region from the traditional Ayrshire Region.
It is played in a straight knockout format with the final traditionally being played late on in the season.
2017-18 COMPETITION (2016-17)
First Round
- Craigmark Burntonians 0-1 Kilbirnie Ladeside (Apr 7, post Mar 3)
- Girvan 4-3 Lugar Boswell Thistle (Apr 7, post Mar 3)
- Glenafton Athletic 6-0 Annbank United (Apr 7, post Mar 3)
- Irvine Meadow XI 3-2 Dalry Thistle (Apr 7, post Mar 3)
- Kello Rovers 1-4 Hurlford United (Apr 7, post Mar 3)
- Saltcoats Victoria 0-5 Cumnock Juniors (Apr 7, post Mar 3)
- Troon 1-2 Kilwinning Rangers (Apr 7, post Mar 3)
- Whitletts Victoria 0-2 Auchinleck Talbot (Apr 7 @ Beechwood Park, post Mar 3)
Second Round
- Muirkirk Juniors 1-3 Darvel (Apr 7, post Mar 3)
- Irvine Meadow XI 3-0 Ardrossan Winton Rovers (Apr 23)
- Ardeer Thistle 0-5 Auchinleck Talbot (Apr 25)
- Hurlford United 3-4 Largs Thistle (Apr 25)
- Irvine Victoria 0-1 Kilwinning Rangers (Apr 25)
- Maybole Juniors 0-1 Kilbirnie Ladeside (Apr 25)
- Glenafton Athletic 0-1 Cumnock Juniors (May 5)
- Girvan 2-3 Beith Juniors (May 23)
Quarter Finals
- Largs Thistle 4-0 Darvel (May 12)
- Cumnock Juniors 1-3 Kilbirnie Ladeside (May 16)
- Irvine Meadow XI 1-4 Kilwinning Rangers (May 16)
- Auchinleck Talbot 1-2 Beith Juniors (May 30)
Semi Finals
- Kilbirnie Ladeside 0-0(2-4p) Largs Thistle (May 23)
- Kilwinning Rangers 3-0 Beith Juniors (Jun 4)
Final
- Largs Thistle 0-1 Kilwinning Rangers (Jun 9 @ Meadow Park, Irvine)