1921 in Scotland

Incumbents

• Monarch – George V
• Secretary for Scotland and Keeper of the Great Seal – Robert Munro

  Law officers

• Lord Advocate – Thomas Brash Morison
• Solicitor General for Scotland – Charles David Murray

  Judiciary

• Lord President of the Court of Session and Lord Justice General – Lord Clyde
• Lord Justice Clerk – Lord Dickson
• Chairman of the Scottish Land Court – Lord St Vigeans

  Events

• 24 March – the largest conventional civilian sailing ship ever built in the British Isles, the 5-masted barque-rigged commercial sail training vessel København, is launched by Ramage and Ferguson at Leith for the Danish East Asiatic Company.
• 1 April – Airship R36 makes her maiden flight from William Beardmore and Company's works at Inchinnan, Renfrewshire.
• 4 May – the Irish Republican Army kill a former Royal Irish Constabulary inspector in Glasgow.
• May – "Rona Raiders": a group of ex-servicemen from South Rona land on Raasay in an attempt to reoccupy their ancestral land. Although arrested and jailed they are ultimately successful in their campaign.
• 28 July – Church of Scotland Act 1921 given Royal Assent, recognising the Church's Articles Declaratory and thus its status as the national church in Scotland but independent from the state in spiritual matters.
• 7 September – Prime Minister David Lloyd George summons a meeting of the Cabinet of the United Kingdom at Inverness to discuss an independent Ireland's relationship with the British Empire.
• 9 October – the sinks off the Rhins of Galloway after a double collision with the loss of at least 18 lives.
• The Scottish county of Haddingtonshire is renamed East Lothian.
• Belted Galloway Association formed.

  Births

• 4 March – John Ryan, cartoonist
• 6 May – Elizabeth Sellars, actress
• 5 August – Derick Thomson, Gaelic scholar and poet
• 1 September – Bobby Flavell, footballer
• 30 September – Deborah Kerr, actress
• 11 October – Ann Henderson, sculptor
• 17 October – George Mackay Brown, poet

  Deaths

• 15 February - Mary Cameron, painter,
• 10 March – John More Dick Peddie, architect
• 1 June – Sir Robert Rowand Anderson, architect
• 29 September - John Thomson, pioneering photographer, geographer, and traveler
• 23 October – John Boyd Dunlop, inventor
• 28 October – William Speirs Bruce, naturalist and Antarctic explorer
• 12 December – Frances MacDonald, artist and designer