William Strang, 1st Baron Strang

William Strang, 1st Baron Strang GCB GCMG MBE (2 January 1893–27 May 1978) was a British diplomat who served as a leading adviser to the British Government from the 1930s to the 1950s and as Permanent Under-Secretary at the Foreign Office from 1949 to 1953.

During his Foreign Office career, he was involved in the Munich Agreement, the Moscow Conference (1939), the European Advisory Commission, the North Atlantic Treaty, and the post-war occupation of Germany.