Orkney is an unincorporated community within the Rural Municipality of Val Marie No. 17, Saskatchewan, Canada. Founded in 1924 when the Canadian Pacific Railway constructed its branch line to Val Marie, it was incorporated as a village in June 1928. Orkney is ten miles from the Canada–United States border. Listed as a designated place by Statistics Canada, the hamlet had a population of four in the Canada 2011 Census.

Highway 18 is a highway in the Canadian province of Saskatchewan. It runs from Highway 13 near Robsart, approximately 65 km (40 mi) east of the Alberta border, to the Manitoba border near Gainsborough, where it becomes Highway 3. It passes through three major communities, all in the eastern quarter of Saskatchewan – Estevan, Oxbow, and Carnduff; it also passes north of the west and east blocks of Grasslands National Park. Highway 18 is about 712 km (442 mi) long, which is the longest east-west highway and second longest highway in Saskatchewan.