2017–18 North Caledonian Football League
The 2017–18 North Caledonian Football League was the 109th season of the North Caledonian Football League. The season began on 2 September 2017 and ended on 21 April 2018. Invergordon were the defending champions.
Bunillidh Thistle returned to the league following an eight-year absence, increasing the league membership to nine teams.
Orkney won their first league title, becoming the first Scottish Islands club to win a Scottish FA affiliated senior league.
Teams
| Team | Location | Team Manager | Top Scorer | Home ground | Ref. |
| Alness United | Alness | Tommy Regan | Gordon Finlayson | Dalmore Park | |
| Bunillidh Thistle | Helmsdale | Graham Grant | Billy Cairns | Couper Park | |
| Golspie Sutherland | Golspie | Andrew Banks | Liam Bremner | King George V Park | |
| Halkirk United | Halkirk | Gordon Macdonald | Marc Gunn | Morrison Park | |
| Invergordon | Invergordon | Gary Campbell | Ryan MacLeod | Recreation Grounds | |
| Inverness Athletic | Muir of Ord | Tommy Wilson / Shane Carling | Phil MacDonald | Pavilion Park | |
| Orkney | Kirkwall | Charlie Alway | Thorfinn Stout | The Pickaquoy Centre | |
| St Duthus | Tain | Stuart Ross | Finn As-Chainey | Links Playing Fields | |
| Thurso | Thurso | Stevie Reid | Nigel Mackenzie | Sir George's Park |