'Landrail' was a British operation by the Special Operations Executive to assume command of the many military groups operating in the Trøndelag region of German-occupied Norway (5/9 May 1945).

Captain R. Kvaal, I. Fosseide and R. Arnesen crossed the frontier from Sweden on 5 May and reached Trondheim in the afternoon of 8 May, after which they completed their assignment.