John Buchan 2nd Baron Tweedsmuir
 John Norman Stuart Buchan 2nd Baron Tweedsmuir CBE CD (25 November 1911 – 20 June 1996) was a Scottish peer and the son of John Buchan 1st Baron Tweedsmuir. He has been described as a brilliant fisherman and naturalist a gallant soldier and fine writer of English an explorer colonial administrator and man of business.Buchan was educated at Eton and in 1930 he went up to Brasenose College Oxford where he graduated with a fourth class degree in History.